Weather Records on 21 August 2026

1,289 weather records were set or tied worldwide on 21 August 2026. Highest significance: Yap Island WSO AP, FM.

Key Facts for 21 August 2026

On 21 August 2026, 1,289 weather records were set or tied at long-record stations worldwide.
1,143 were record highs and 21 were record lows, counting maximum and minimum temperature.
By timescale, 10 were all-time records, 24 monthly and 1,255 daily.
Yap Island WSO AP set an all-time record daily precipitation of 424.2 mm (16.7 in) on 21 August 2026 (provisional).
Across 165 earlier years (1800 to 2025) the same calendar date averaged 445 records.

Record Map

1,289 stations

1,289 station records on 21 August 2026 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 2026: highest significance records shown on the map
Station	Country	Type	Value	Significance
Yap Island WSO AP	Federated States of Micronesia	Record daily precipitation	424.2 mm (16.7 in)	80 of 100 (Exceptional)
Mokpo	Korea, South	Record daily precipitation	181.5 mm (7.1 in)	75 of 100 (Major)
Kuqa	China	Record daily precipitation	42.5 mm (1.7 in)	72 of 100 (Major)
Hiroo	Japan	Record daily precipitation	448.0 mm (17.6 in)	70 of 100 (Major)
Luweech	Federated States of Micronesia	Record daily precipitation	399.5 mm (15.7 in)	66 of 100 (Major)
Guntersville	United States	Record daily precipitation	70.9 mm (2.8 in)	63 of 100 (Major)
Tamil	Federated States of Micronesia	Record daily precipitation	190.5 mm (7.5 in)	60 of 100 (Major)
Sasebo Reg Met HQ	Japan	Record daily precipitation	264.5 mm (10.4 in)	59 of 100 (Notable)
Rucava	Latvia	Record daily precipitation	140.5 mm (5.5 in)	56 of 100 (Notable)
Doorawarrah	Australia	Record daily precipitation	36.0 mm (1.4 in)	54 of 100 (Notable)
Nemuro	Japan	Record daily precipitation	208.5 mm (8.2 in)	53 of 100 (Notable)
XI Ujimqin Qi	China	Record daily precipitation	44.5 mm (1.8 in)	52 of 100 (Notable)
Wilmington Intl AP	United States	Record daily precipitation	134.9 mm (5.3 in)	52 of 100 (Notable)
Hamada	Japan	Record daily precipitation	124.5 mm (4.9 in)	51 of 100 (Notable)
Shaoguan	China	Record daily precipitation	82.6 mm (3.3 in)	50 of 100 (Notable)
N Fanif	Federated States of Micronesia	Record daily precipitation	266.7 mm (10.5 in)	49 of 100 (Notable)
Niceville	United States	Record daily precipitation	111.8 mm (4.4 in)	48 of 100 (Notable)
Medford	United States	Record daily precipitation	53.6 mm (2.1 in)	48 of 100 (Notable)
Ft Collins	United States	Record high maximum temperature	38.3 C (100.9 F)	47 of 100 (Notable)
Upton Coop - Nwsfo New York	United States	Record daily precipitation	92.2 mm (3.6 in)	47 of 100 (Notable)
Shoshone 1 WNW	United States	Record high minimum temperature	23.9 C (75.0 F)	46 of 100 (Notable)
Riverhead Rsch Farm	United States	Record daily precipitation	86.4 mm (3.4 in)	46 of 100 (Notable)
Tryon	United States	Record daily precipitation	67.1 mm (2.6 in)	46 of 100 (Notable)
Tibooburra (Brindiwilpa)	Australia	Record daily precipitation	31.6 mm (1.2 in)	44 of 100 (Notable)
Obihiro	Japan	Record daily precipitation	74.5 mm (2.9 in)	44 of 100 (Notable)
Tlaxcala de Xicontecatl (Dge)	Mexico	Record high maximum temperature	35.6 C (96.1 F)	44 of 100 (Notable)
Subiaco	United States	Record high minimum temperature	25.6 C (78.1 F)	44 of 100 (Notable)
Blackfoot Fire Dept	United States	Record high maximum temperature	37.2 C (99.0 F)	44 of 100 (Notable)
Saint Anthony	United States	Record high maximum temperature	35.0 C (95.0 F)	44 of 100 (Notable)
Fort Huachuca	United States	Record high maximum temperature	37.0 C (98.6 F)	44 of 100 (Notable)
Brownsville	United States	Record high minimum temperature	28.3 C (82.9 F)	43 of 100 (Notable)
Portland	United States	Record high maximum temperature	41.7 C (107.1 F)	42 of 100 (Notable)
Longview	United States	Record high minimum temperature	26.1 C (79.0 F)	42 of 100 (Notable)
Scottsboro	United States	Record daily precipitation	66.5 mm (2.6 in)	41 of 100 (Notable)
Camden 1	United States	Record high maximum temperature	41.1 C (106.0 F)	41 of 100 (Notable)
Trinidad	United States	Record high maximum temperature	35.6 C (96.1 F)	41 of 100 (Notable)
Aberdeen Exp STN	United States	Record high maximum temperature	37.2 C (99.0 F)	41 of 100 (Notable)
Oakley	United States	Record high maximum temperature	36.7 C (98.1 F)	41 of 100 (Notable)
Water Valley	United States	Record high maximum temperature	38.3 C (100.9 F)	41 of 100 (Notable)
Ennis	United States	Record high maximum temperature	34.4 C (93.9 F)	41 of 100 (Notable)
McGill	United States	Record high maximum temperature	35.6 C (96.1 F)	41 of 100 (Notable)
McGill	United States	Record high minimum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Socorro	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Elk City 4 W	United States	Record high maximum temperature	42.2 C (108.0 F)	41 of 100 (Notable)
State College	United States	Record daily precipitation	64.3 mm (2.5 in)	41 of 100 (Notable)
Deseret	United States	Record high minimum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Woodruff	United States	Record high maximum temperature	33.9 C (93.0 F)	41 of 100 (Notable)
Saltillo	Mexico	Record high maximum temperature	39.4 C (102.9 F)	40 of 100 (Notable)
Acapulco Gro.	Mexico	Record low minimum temperature	17.8 C (64.0 F)	40 of 100 (Notable)
Gravette	United States	Record high minimum temperature	25.6 C (78.1 F)	40 of 100 (Notable)
Dubois Exp STN	United States	Record high maximum temperature	36.7 C (98.1 F)	40 of 100 (Notable)
Rumung	Federated States of Micronesia	Record daily precipitation	275.6 mm (10.9 in)	39 of 100 (Notable)
Kolka	Latvia	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Mackay Lost Rvr Rs	United States	Record high minimum temperature	16.1 C (61.0 F)	39 of 100 (Notable)
Sugar City	United States	Record high maximum temperature	35.0 C (95.0 F)	39 of 100 (Notable)
Bayan Mod	China	Record daily precipitation	30.6 mm (1.2 in)	38 of 100 (Notable)
Skei I Jolster	Norway	Record daily precipitation	47.3 mm (1.9 in)	38 of 100 (Notable)
Furstenfeldbruck	Germany	Record daily precipitation	29.3 mm (1.2 in)	37 of 100 (Notable)
Saint Bernard	United States	Record daily precipitation	61.0 mm (2.4 in)	37 of 100 (Notable)
Ft Hall 1 NNE	United States	Record high minimum temperature	17.8 C (64.0 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,289 records

Records set or tied on 21 August 2026 by type: Highest daily maximum 507, Lowest daily maximum 12, Highest daily minimum 636, Lowest daily minimum 9, Heaviest daily rainfall 125.

Records on 21 August 2026 by type
Record type	Records
Highest daily maximum	507
Lowest daily maximum	12
Highest daily minimum	636
Lowest daily minimum	9
Heaviest daily rainfall	125
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 2026 by timescale: all-time 10, monthly 24, daily 1,255.

How Much Records Were Beaten By

1,012 broken records

Margins by which the 1,012 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 194.1. Ties are not counted.

Top 20 by Significance

21 August 2026

Top 20 records on 21 August 2026 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 2026	Yap Island WSO AP, FM	all-time rain (Provisional)	424.2 mm (16.7 in)	89.7 mm (3.5 in)	44 years	80 of 100 (Exceptional)
21 August 2026	Mokpo, KR	daily rain (Provisional)	181.5 mm (7.1 in)	101.5 mm (4.0 in)	96 years	75 of 100 (Major)
21 August 2026	Kuqa, CN	monthly rain (Provisional)	42.5 mm (1.7 in)	13.5 mm (0.5 in)	60 years	72 of 100 (Major)
21 August 2026	Hiroo, JP	all-time rain (Provisional)	448.0 mm (17.6 in)	98.0 mm (3.9 in)	27 years	70 of 100 (Major)
21 August 2026	Luweech, FM	all-time rain (Provisional)	399.5 mm (15.7 in)	189.4 mm (7.5 in)	9 years	66 of 100 (Major)
21 August 2026	Guntersville, US	daily rain (Provisional)	70.9 mm (2.8 in)	38.6 mm (1.5 in)	92 years	63 of 100 (Major)
21 August 2026	Tamil, FM	monthly rain (Provisional)	190.5 mm (7.5 in)	73.2 mm (2.9 in)	27 years	60 of 100 (Major)
21 August 2026	Sasebo Reg Met HQ, JP	daily rain (Provisional)	264.5 mm (10.4 in)	150.0 mm (5.9 in)	41 years	59 of 100 (Notable)
21 August 2026	Rucava, LV	all-time rain (Provisional)	140.5 mm (5.5 in)	23.5 mm (0.9 in)	0 years	56 of 100 (Notable)
21 August 2026	Doorawarrah, AU	daily rain (Provisional)	36.0 mm (1.4 in)	30.0 mm (1.2 in)	29 years	54 of 100 (Notable)
21 August 2026	Nemuro, JP	monthly rain (Provisional)	208.5 mm (8.2 in)	57.6 mm (2.3 in)	11 years	53 of 100 (Notable)
21 August 2026	XI Ujimqin Qi, CN	daily rain (Provisional)	44.5 mm (1.8 in)	25.5 mm (1.0 in)	52 years	52 of 100 (Notable)
21 August 2026	Wilmington Intl AP, US	daily rain (Provisional)	134.9 mm (5.3 in)	51.3 mm (2.0 in)	76 years	52 of 100 (Notable)
21 August 2026	Hamada, JP	daily rain (Provisional)	124.5 mm (4.9 in)	60.2 mm (2.4 in)	71 years	51 of 100 (Notable)
21 August 2026	Shaoguan, CN	daily rain (Provisional)	82.6 mm (3.3 in)	42.2 mm (1.7 in)	40 years	50 of 100 (Notable)
21 August 2026	N Fanif, FM	daily rain (Provisional)	266.7 mm (10.5 in)	194.1 mm (7.6 in)	23 years	49 of 100 (Notable)
21 August 2026	Niceville, US	daily rain (Provisional)	111.8 mm (4.4 in)	41.2 mm (1.6 in)	56 years	48 of 100 (Notable)
21 August 2026	Medford, US	daily rain (Provisional)	53.6 mm (2.1 in)	12.5 mm (0.5 in)	97 years	48 of 100 (Notable)
21 August 2026	Ft Collins, US	daily high max (Provisional)	38.3 C (100.9 F)	2.7 C (4.9 F)	127 years	47 of 100 (Notable)
21 August 2026	Upton Coop - Nwsfo New York, US	daily rain (Provisional)	92.2 mm (3.6 in)	63.2 mm (2.5 in)	28 years	47 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1800 to 2026

Records set or tied on this calendar date in each year from 1800 to 2026. 2026 had 1,289 records.

Counts for years before the ledger starts come from the same station rules.

Records on 08-21 in each year
Year	Records
1800	1
1802	1
1804	1
1807	1
1816	1
1818	1
1832	1
1834	1
1839	3
1843	1
1847	1
1849	3
1850	1
1851	2
1863	1
1866	1
1867	2
1870	3
1871	2
1872	1
1873	1
1876	1
1877	2
1879	2
1884	2
1885	5
1886	1
1887	5
1888	2
1889	3
1890	4
1891	2
1893	4
1894	8
1895	3
1896	2
1897	4
1898	4
1899	7
1900	4
1901	9
1902	8
1903	6
1904	8
1905	4
1906	22
1907	20
1908	13
1909	17
1910	33
1911	19
1912	50
1913	37
1914	24
1915	21
1916	106
1917	101
1918	202
1919	19
1920	59
1921	34
1922	58
1923	111
1924	135
1925	220
1926	227
1927	228
1928	110
1929	234
1930	297
1931	277
1932	264
1933	328
1934	320
1935	318
1936	807
1937	762
1938	239
1939	630
1940	683
1941	180
1942	415
1943	438
1944	346
1945	544
1946	390
1947	954
1948	305
1949	508
1950	958
1951	699
1952	368
1953	331
1954	497
1955	885
1956	701
1957	490
1958	389
1959	704
1960	490
1961	644
1962	469
1963	338
1964	794
1965	455
1966	661
1967	541
1968	1,014
1969	650
1970	373
1971	660
1972	441
1973	438
1974	564
1975	545
1976	756
1977	764
1978	445
1979	778
1980	904
1981	1,015
1982	769
1983	1,407
1984	975
1985	623
1986	1,166
1987	740
1988	889
1989	828
1990	910
1991	828
1992	957
1993	698
1994	968
1995	962
1996	950
1997	1,291
1998	948
1999	717
2000	861
2001	797
2002	965
2003	1,241
2004	1,585
2005	1,071
2006	797
2007	1,829
2008	1,012
2009	1,319
2010	1,155
2011	1,022
2012	990
2013	513
2014	624
2015	651
2016	890
2017	347
2018	816
2019	631
2020	1,147
2021	767
2022	917
2023	1,826
2024	777
2025	1,230
2026	1,289

Download the Data

Data for records on 2026-08-21: CSV or JSON. Field meanings are on the data page.

Sources: 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)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-12 (12 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 25	988
25 to 50	12
50 to 75	6
75 to 100	2
100 to 125	1
125 to 150	0
150 to 175	1
175 to 200	2