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Built 2026-10-19 (19 October 2026)

Oakland South California Weather Records (USR0000COKS)

Record envelope, standing records and threshold days for Oakland South California (USR0000COKS), California, United States, with 32 years of record.

Key Facts for Oakland South California

  • Oakland South California (USR0000COKS) is a weather station in California, United States at 37.79 latitude and -122.14 longitude, 334 m (1,095 ft) above sea level.
  • The station reports from 1992 to 2023, 32 years of record.
  • 1,464 records set at Oakland South California still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Oakland South California set a daily record high maximum temperature of 37.2 C (99.0 F) on 6 October 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: California, United States, 37.79 latitude, -122.14 longitude.
  • Elevation: 334 m (1,095 ft).
  • Period of record: 1992 to 2023, 32 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

16 days at or beyond a record
Daily record high and record low at Oakland South California, with 2026 drawn through them The band shows the record high and record low for each calendar day at Oakland South California. The lines show the 2026 daily maximum and minimum. 16 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -1001020304050 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Oakland South California. The lines show the 2026 daily maximum and minimum. 16 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Oakland South California, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan23.9 C (75.0 F)-1.7 C (28.9 F)18.3 C (64.9 F)3.9 C (39.0 F)
Feb31.7 C (89.1 F)-1.1 C (30.0 F)22.8 C (73.0 F)1.7 C (35.1 F)
Mar30.6 C (87.1 F)0.0 C (32.0 F)30.6 C (87.1 F)6.7 C (44.1 F)
Apr33.9 C (93.0 F)1.1 C (34.0 F)27.8 C (82.0 F)6.1 C (43.0 F)
May35.6 C (96.1 F)4.4 C (39.9 F)28.9 C (84.0 F)8.3 C (46.9 F)
Jun40.6 C (105.1 F)6.1 C (43.0 F)33.9 C (93.0 F)7.8 C (46.0 F)
Jul38.3 C (100.9 F)8.9 C (48.0 F)33.9 C (93.0 F)9.4 C (48.9 F)
Aug39.4 C (102.9 F)4.4 C (39.9 F)32.8 C (91.0 F)11.1 C (52.0 F)
Sep43.3 C (109.9 F)7.2 C (45.0 F)37.8 C (100.0 F)11.1 C (52.0 F)
Oct38.3 C (100.9 F)5.6 C (42.1 F)37.2 C (99.0 F)8.9 C (48.0 F)
Nov28.3 C (82.9 F)1.1 C (34.0 F)n/an/a
Dec21.1 C (70.0 F)-2.2 C (28.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Oakland South California by the year they were set 1,464 records at Oakland South California still stand. 1995 holds the most, with 98. 02550751001992: 61993: 321994: 731995: 981996: 551997: 311998: 491999: 642000: 502001: 332002: 602003: 432004: 402005: 272006: 182007: 602008: 32009: 112010: 962011: 822012: 542013: 252014: 342015: 222016: 372017: 402018: 242019: 422020: 482021: 322022: 442023: 342024: 372025: 282026: 32199219962000200420082012201620202024
1,464 records at Oakland South California still stand. 1995 holds the most, with 98.
Standing records at Oakland South California by the year they were set
Year setStanding records
19926
199332
199473
199598
199655
199731
199849
199964
200050
200133
200260
200343
200440
200527
200618
200760
20083
200911
201096
201182
201254
201325
201434
201522
201637
201740
201824
201942
202048
202132
202244
202334
202437
202528
202632

Period of Record Coverage

1992 to 2026
Days with data per year at Oakland South California 35 years of record at Oakland South California, 1992 to 2026. 6 years have data for under 90 percent of days and are left out of rankings: 1992, 2005, 2006, 2008, 2009, 2026. 1992: 130 of 366 days1993: 362 of 365 days1994: 365 of 365 days1995: 346 of 365 days1996: 360 of 366 days1997: 365 of 365 days1998: 338 of 365 days1999: 365 of 365 days2000: 366 of 366 days2001: 364 of 365 days2002: 365 of 365 days2003: 364 of 365 days2004: 365 of 366 days2005: 285 of 365 days2006: 150 of 365 days2007: 345 of 365 days2008: 9 of 366 days2009: 88 of 365 days2010: 365 of 365 days2011: 362 of 365 days2012: 362 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 364 of 366 days2017: 365 of 365 days2018: 365 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 364 of 365 days2022: 359 of 365 days2023: 365 of 365 days2024: 366 of 366 days2025: 365 of 365 days2026: 284 of 365 days1995200020052010201520202025
35 years of record at Oakland South California, 1992 to 2026. 6 years have data for under 90 percent of days and are left out of rankings: 1992, 2005, 2006, 2008, 2009, 2026.
Days with data per year at Oakland South California
YearDays with dataShare of yearComplete
199213036%No
199336299%Yes
1994365100%Yes
199534695%Yes
199636098%Yes
1997365100%Yes
199833893%Yes
1999365100%Yes
2000366100%Yes
2001364100%Yes
2002365100%Yes
2003364100%Yes
2004365100%Yes
200528578%No
200615041%No
200734595%Yes
200892%No
20098824%No
2010365100%Yes
201136299%Yes
201236299%Yes
2013365100%Yes
2014365100%Yes
2015365100%Yes
201636499%Yes
2017365100%Yes
2018365100%Yes
2019365100%Yes
2020366100%Yes
2021364100%Yes
202235998%Yes
2023365100%Yes
2024366100%Yes
2025365100%Yes
202628478%No

Latest Records

20
Latest records at Oakland South California
DateStationRecordValueBeat old record byOld record stoodSignificance
6 October 2026Oakland South California, USdaily high max (Provisional)37.2 C (99.0 F)1.1 C (2.0 F)1 year5 of 100 (Routine)
4 October 2026Oakland South California, USdaily high max (Provisional)35.0 C (95.0 F)1.1 C (2.0 F)12 years8 of 100 (Routine)
4 October 2026Oakland South California, USdaily high min (Provisional)23.9 C (75.0 F)1.7 C (3.1 F)1 year7 of 100 (Routine)
20 September 2026Oakland South California, USdaily low max (Tie, Provisional)17.2 C (63.0 F)tie8 years1 of 100 (Routine)
9 September 2026Oakland South California, USdaily high max (Provisional)37.8 C (100.0 F)1.7 C (3.1 F)11 years9 of 100 (Routine)
9 September 2026Oakland South California, USdaily high min (Tie, Provisional)23.3 C (73.9 F)tie11 years1 of 100 (Routine)
21 July 2026Oakland South California, USdaily high max32.8 C (91.0 F)0.6 C (1.1 F)29 years12 of 100 (Routine)
10 July 2026Oakland South California, USdaily low max (Tie)18.9 C (66.0 F)tie15 years1 of 100 (Routine)
20 May 2026Oakland South California, USdaily high min16.7 C (62.1 F)1.1 C (2.0 F)8 years9 of 100 (Routine)
19 May 2026Oakland South California, USdaily high min17.2 C (63.0 F)2.8 C (5.0 F)24 years21 of 100 (Routine)
19 May 2026Oakland South California, USdaily high max28.9 C (84.0 F)0.6 C (1.1 F)8 years6 of 100 (Routine)
18 May 2026Oakland South California, USdaily high min15.6 C (60.1 F)2.3 C (4.1 F)31 years21 of 100 (Routine)
12 April 2026Oakland South California, USdaily low max (Tie)10.6 C (51.1 F)tie23 years2 of 100 (Routine)
10 April 2026Oakland South California, USdaily high min11.1 C (52.0 F)0.5 C (0.9 F)1 year4 of 100 (Routine)
5 April 2026Oakland South California, USdaily high min16.1 C (61.0 F)4.4 C (7.9 F)29 years28 of 100 (Routine)
5 April 2026Oakland South California, USdaily high max27.8 C (82.0 F)2.2 C (4.0 F)9 years9 of 100 (Routine)
4 April 2026Oakland South California, USdaily high min12.2 C (54.0 F)2.8 C (5.0 F)15 years17 of 100 (Routine)
4 April 2026Oakland South California, USdaily high max25.6 C (78.1 F)2.3 C (4.1 F)19 years13 of 100 (Routine)
29 March 2026Oakland South California, USdaily high min17.8 C (64.0 F)3.4 C (6.1 F)8 years17 of 100 (Routine)
29 March 2026Oakland South California, USdaily high max28.9 C (84.0 F)2.2 C (4.0 F)8 years10 of 100 (Routine)

Climate Trend

26 complete years, 1993 to 2025
Annual mean temperature at Oakland South California as warming stripes, 1993 to 2025 One stripe for each of 26 complete years at Oakland South California, 1993 to 2025. Blue stripes are years cooler than the station's own mean of 14.3 C (57.8 F); red stripes are warmer. The coolest year was 2011, at 12.9 C (55.3 F), and the warmest was 1996, at 15.5 C (59.8 F). The strongest colour marks a difference of 1.4 C (2.5 F). 1993: 14.2 C, -0.1 C from the station mean1994: 14.6 C, +0.3 C from the station mean1996: 15.5 C, +1.1 C from the station mean1997: 15.1 C, +0.7 C from the station mean1999: 13.7 C, -0.6 C from the station mean2000: 14.2 C, -0.1 C from the station mean2001: 14.3 C, 0.0 C from the station mean2002: 14.2 C, -0.1 C from the station mean2003: 14.6 C, +0.3 C from the station mean2004: 14.6 C, +0.3 C from the station mean2010: 13.1 C, -1.2 C from the station mean2011: 12.9 C, -1.4 C from the station mean2012: 13.5 C, -0.8 C from the station mean2013: 14.0 C, -0.3 C from the station mean2014: 15.1 C, +0.8 C from the station mean2015: 14.8 C, +0.4 C from the station mean2016: 14.3 C, -0.1 C from the station mean2017: 14.7 C, +0.4 C from the station mean2018: 14.1 C, -0.2 C from the station mean2019: 14.4 C, 0.0 C from the station mean2020: 15.2 C, +0.9 C from the station mean2021: 14.0 C, -0.3 C from the station mean2022: 14.4 C, +0.1 C from the station mean2023: 13.8 C, -0.5 C from the station mean2024: 14.9 C, +0.6 C from the station mean2025: 14.0 C, -0.3 C from the station mean1993200020052010201520202025
One stripe for each of 26 complete years at Oakland South California, 1993 to 2025. Blue stripes are years cooler than the station's own mean of 14.3 C (57.8 F); red stripes are warmer. The coolest year was 2011, at 12.9 C (55.3 F), and the warmest was 1996, at 15.5 C (59.8 F). The strongest colour marks a difference of 1.4 C (2.5 F).
Annual mean temperature at Oakland South California as warming stripes, 1993 to 2025
YearAnnual mean temperatureDifference from the station mean
199314.2 C-0.10 C
199414.6 C+0.26 C
199615.5 C+1.15 C
199715.1 C+0.74 C
199913.7 C-0.59 C
200014.2 C-0.12 C
200114.3 C-0.03 C
200214.2 C-0.08 C
200314.6 C+0.30 C
200414.6 C+0.28 C
201013.1 C-1.23 C
201112.9 C-1.37 C
201213.5 C-0.79 C
201314.0 C-0.32 C
201415.1 C+0.77 C
201514.8 C+0.45 C
201614.3 C-0.05 C
201714.7 C+0.38 C
201814.1 C-0.18 C
201914.4 C+0.05 C
202015.2 C+0.91 C
202114.0 C-0.28 C
202214.4 C+0.06 C
202313.8 C-0.51 C
202414.9 C+0.62 C
202514.0 C-0.29 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1992 to 2026
Yearly extremes at Oakland South California: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)43.3 C (109.9 F)201737.2 C (99.0 F)35
Coldest night (TNn)-2.2 C (28.0 F)19981.1 C (34.0 F)35

Hottest day (TXx)

Hottest day (TXx) at Oakland South California by year The hottest day of the year at Oakland South California, 1992 to 2026. The record is 43.3 C (109.9 F) in 2017, marked on the chart; the median year is 37.2 C (99.0 F). 2530354045200020102020Record: 43.3 C (109.9 F) in 2017
The hottest day of the year at Oakland South California, 1992 to 2026. The record is 43.3 C (109.9 F) in 2017, marked on the chart; the median year is 37.2 C (99.0 F).
Hottest day (TXx) at Oakland South California by year
YearHottest day (TXx)
199232.8 C (91.0 F)
199336.7 C (98.1 F)
199435.6 C (96.1 F)
199534.4 C (93.9 F)
199637.2 C (99.0 F)
199735.6 C (96.1 F)
199839.4 C (102.9 F)
199937.2 C (99.0 F)
200040.6 C (105.1 F)
200137.2 C (99.0 F)
200237.8 C (100.0 F)
200337.8 C (100.0 F)
200436.7 C (98.1 F)
200537.8 C (100.0 F)
200636.7 C (98.1 F)
200737.8 C (100.0 F)
200831.7 C (89.1 F)
200927.2 C (81.0 F)
201038.9 C (102.0 F)
201133.3 C (91.9 F)
201237.8 C (100.0 F)
201333.3 C (91.9 F)
201436.7 C (98.1 F)
201536.7 C (98.1 F)
201636.1 C (97.0 F)
201743.3 C (109.9 F)
201835.0 C (95.0 F)
201936.7 C (98.1 F)
202042.8 C (109.0 F)
202137.2 C (99.0 F)
202242.2 C (108.0 F)
202337.2 C (99.0 F)
202438.3 C (100.9 F)
202535.6 C (96.1 F)
202637.8 C (100.0 F)

Coldest night (TNn)

Coldest night (TNn) at Oakland South California by year The coldest night of the year at Oakland South California, 1992 to 2026. The record is -2.2 C (28.0 F) in 1998, marked on the chart; the median year is 1.1 C (34.0 F). -2.502.557.5200020102020Record: -2.2 C (28.0 F) in 1998
The coldest night of the year at Oakland South California, 1992 to 2026. The record is -2.2 C (28.0 F) in 1998, marked on the chart; the median year is 1.1 C (34.0 F).
Coldest night (TNn) at Oakland South California by year
YearColdest night (TNn)
19920.0 C (32.0 F)
1993-0.6 C (30.9 F)
19942.8 C (37.0 F)
19956.7 C (44.1 F)
19962.2 C (36.0 F)
1997-1.7 C (28.9 F)
1998-2.2 C (28.0 F)
19991.1 C (34.0 F)
20002.8 C (37.0 F)
20011.1 C (34.0 F)
20020.0 C (32.0 F)
20031.7 C (35.1 F)
20040.0 C (32.0 F)
20052.8 C (37.0 F)
20060.0 C (32.0 F)
20070.6 C (33.1 F)
20082.8 C (37.0 F)
2009-1.1 C (30.0 F)
20101.1 C (34.0 F)
2011-1.1 C (30.0 F)
20120.0 C (32.0 F)
2013-1.7 C (28.9 F)
20142.2 C (36.0 F)
20150.6 C (33.1 F)
20161.1 C (34.0 F)
20171.1 C (34.0 F)
20180.0 C (32.0 F)
20191.1 C (34.0 F)
20201.1 C (34.0 F)
20210.6 C (33.1 F)
20220.6 C (33.1 F)
20230.0 C (32.0 F)
20242.2 C (36.0 F)
20251.7 C (35.1 F)
20261.7 C (35.1 F)

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

  • Data for Oakland South California standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Oakland South California threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-17).