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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Heat wave in Australia, 17 to 24 August 2026

Heat wave in Australia, 17 to 24 August 2026: 37 records at 22 stations, peak on 22 August 2026. Closed.

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

Key Facts

  • Heat wave in Australia, 17 to 24 August 2026 set or tied 37 station records at 22 stations.
  • It ran from 17 August 2026 to 24 August 2026 (8 days) and its peak day was 22 August 2026.
  • Status: closed.
  • Onslow Airport set a daily record high minimum temperature of 20.3 C (68.5 F) on 20 August 2026 (provisional).
  • The busiest day was 22 August 2026 with 14 records.
  • The oldest broken record in the ranked list had stood for 79 years.

Footprint

17 to 24 August 2026
Footprint of Heat wave in Australia, 17 to 24 August 2026 The area covered by Heat wave in Australia, 17 to 24 August 2026 is outlined, with 15 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Australia, 17 to 24 August 2026 is outlined, with 15 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Australia, 17 to 24 August 2026: stations that set records in the event
StationTypeValueDate
Onslow AirportRecord high minimum temperature20.3 C (68.5 F)2026-08-20
Port Hedland AirportRecord high minimum temperature19.9 C (67.8 F)2026-08-21
MardieRecord high minimum temperature21.8 C (71.2 F)2026-08-18
Jurien BayRecord high maximum temperature26.1 C (79.0 F)2026-08-21
DwellingupRecord high maximum temperature23.3 C (73.9 F)2026-08-22
Learmonth AirportRecord high minimum temperature18.7 C (65.7 F)2026-08-21
MandoraRecord high minimum temperature21.5 C (70.7 F)2026-08-22
Karratha AeroRecord high minimum temperature21.2 C (70.2 F)2026-08-18
Paraburdoo AeroRecord high minimum temperature19.4 C (66.9 F)2026-08-21
DoonganRecord high minimum temperature21.0 C (69.8 F)2026-08-24
BrooktonRecord high minimum temperature12.2 C (54.0 F)2026-08-23
Cygnet BayRecord high maximum temperature33.3 C (91.9 F)2026-08-20
Paynes FindRecord high minimum temperature14.7 C (58.5 F)2026-08-22
NarroginRecord high maximum temperature23.0 C (73.4 F)2026-08-22
Telfer AeroRecord high minimum temperature19.1 C (66.4 F)2026-08-19
Derby AeroRecord high minimum temperature21.6 C (70.9 F)2026-08-22
Meekatharra AirportRecord high minimum temperature15.4 C (59.7 F)2026-08-22
Wongan HillsRecord high minimum temperature12.9 C (55.2 F)2026-08-22
Badgingarra Research STNRecord high minimum temperature13.1 C (55.6 F)2026-08-22
Mount Magnet AeroRecord high minimum temperature15.4 C (59.7 F)2026-08-22
WaginRecord high maximum temperature23.0 C (73.4 F)2026-08-22
BunburyRecord high maximum temperature20.6 C (69.1 F)2026-08-22
Broome AirportRecord high minimum temperature22.6 C (72.7 F)2026-08-24

Records per Day

Peak day 14
Records per day during Heat wave in Australia, 17 to 24 August 2026 Records set or tied each day from 17 August 2026 to 24 August 2026. The most in one day was 14 on 22 August 2026. 0 4 8 11 15 08-1708-1808-1908-2008-2108-2208-2308-24
Records set or tied each day from 17 August 2026 to 24 August 2026. The most in one day was 14 on 22 August 2026.
Records per day during Heat wave in Australia, 17 to 24 August 2026
DateRecords
2026-08-171
2026-08-183
2026-08-192
2026-08-206
2026-08-219
2026-08-2214
2026-08-231
2026-08-241

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Australia, 17 to 24 August 2026 ranked by margin
Mardie, 08-182.4 C (4.3 F)
Paraburdoo Aero, 08-212.4 C (4.3 F)
Karratha Aero, 08-182.3 C (4.1 F)
Mandora, 08-222.1 C (3.8 F)
Mandora, 08-212.0 C (3.6 F)
Doongan, 08-242.0 C (3.6 F)
Onslow Airport, 08-181.8 C (3.2 F)
Learmonth Airport, 08-221.7 C (3.1 F)
Learmonth Airport, 08-201.7 C (3.1 F)
Port Hedland Airport, 08-201.2 C (2.2 F)
Jurien Bay, 08-211.1 C (2.0 F)
Derby Aero, 08-221.0 C (1.8 F)
Paynes Find, 08-220.9 C (1.6 F)
Learmonth Airport, 08-210.8 C (1.4 F)
Onslow Airport, 08-200.6 C (1.1 F)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

Margin against age of the broken record in Heat wave in Australia, 17 to 24 August 2026 37 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right. 0 20 40 60 80 0.00.61.31.92.5 Margin (C) Years the old record stood
37 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.
Margin against age of the broken record in Heat wave in Australia, 17 to 24 August 2026
Margin (C)Years the old record stood
0.679
0.676
2.451
1.261
1.148
1.824
0.348
2.128
0.845
2.028
1.729
2.324
2.429
1.720
2.031
0.231
0.431
0.920
0.47
1.016
1.48
1.75
1.20
0.423
1.05
0.80
0.412
0.415
0.90
0.215
0.220
0.57
0.54
0.611
0.57
0.28
0.63

Compared With Other Events

Station records per event
Station records in Heat wave in Australia, 17 to 24 August 2026 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 20249,869 records
Heat wave in United States, 28 January to 24 February 20266,528 records
Heat wave in United States and Mexico, 24 May to 19 June 20205,047 records
Heat wave in United States and Mexico, 26 March to 17 April 20213,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 20223,626 records
Heat wave in Australia, 17 to 24 August 2026 (this event)37 records

Every Record Set

39 of 37
Every record set or tied during Heat wave in Australia, 17 to 24 August 2026, in date order
DateStationRecordValueMarginYears stoodSignificance
2026-08-18MardieRecord high minimum temperature21.8 C (71.2 F)2.4 C (4.3 F)5130 of 100 (Routine)
2026-08-18Onslow AirportRecord high minimum temperature20.8 C (69.4 F)1.8 C (3.2 F)2422 of 100 (Routine)
2026-08-18Karratha AeroRecord high minimum temperature21.2 C (70.2 F)2.3 C (4.1 F)2418 of 100 (Routine)
2026-08-18Cygnet BayRecord high minimum temperature23.2 C (73.8 F)1.7 C (3.1 F)39 of 100 (Routine)
2026-08-19Telfer AeroRecord high minimum temperature (provisional)19.1 C (66.4 F)0.4 C (0.7 F)2312 of 100 (Routine)
2026-08-19Paraburdoo AeroRecord high minimum temperature (provisional)16.7 C (62.1 F)0.6 C (1.1 F)117 of 100 (Routine)
2026-08-20Onslow AirportRecord high minimum temperature (provisional)20.3 C (68.5 F)0.6 C (1.1 F)7933 of 100 (Routine)
2026-08-20Port Hedland AirportRecord high maximum temperature (provisional)35.4 C (95.7 F)1.2 C (2.2 F)6129 of 100 (Routine)
2026-08-20Learmonth AirportRecord high minimum temperature (provisional)17.5 C (63.5 F)1.7 C (3.1 F)2017 of 100 (Routine)
2026-08-20Cygnet BayRecord high maximum temperature (provisional)33.3 C (91.9 F)0.4 C (0.7 F)3114 of 100 (Routine)
2026-08-20MandoraRecord high maximum temperature (provisional)36.6 C (97.9 F)1.4 C (2.5 F)812 of 100 (Routine)
2026-08-20Telfer AeroRecord high minimum temperature (provisional)20.5 C (68.9 F)0.2 C (0.4 F)87 of 100 (Routine)
2026-08-20Paraburdoo AeroRecord high minimum temperature (tie) (provisional)20.2 C (68.4 F)tie33 of 100 (Routine)
2026-08-21Port Hedland AirportRecord high minimum temperature (provisional)19.9 C (67.8 F)0.6 C (1.1 F)7632 of 100 (Routine)
2026-08-21Jurien BayRecord high maximum temperature (provisional)26.1 C (79.0 F)1.1 C (2.0 F)4824 of 100 (Routine)
2026-08-21Learmonth AirportRecord high minimum temperature (provisional)18.7 C (65.7 F)0.8 C (1.4 F)4520 of 100 (Routine)
2026-08-21MandoraRecord high minimum temperature (provisional)21.2 C (70.2 F)2.0 C (3.6 F)2819 of 100 (Routine)
2026-08-21Paraburdoo AeroRecord high minimum temperature (provisional)19.4 C (66.9 F)2.4 C (4.3 F)2918 of 100 (Routine)
2026-08-21MandoraRecord high maximum temperature (provisional)38.1 C (100.6 F)1.7 C (3.1 F)512 of 100 (Routine)
2026-08-21Onslow AirportRecord high minimum temperature (provisional)20.1 C (68.2 F)1.2 C (2.2 F)012 of 100 (Routine)
2026-08-21Port Hedland AirportRecord high maximum temperature (provisional)35.1 C (95.2 F)1.0 C (1.8 F)511 of 100 (Routine)
2026-08-21MardieRecord high minimum temperature (provisional)18.1 C (64.6 F)0.9 C (1.6 F)010 of 100 (Routine)
2026-08-22DwellingupRecord high maximum temperature (provisional)23.3 C (73.9 F)0.3 C (0.5 F)4822 of 100 (Routine)
2026-08-22MandoraRecord high minimum temperature (provisional)21.5 C (70.7 F)2.1 C (3.8 F)2820 of 100 (Routine)
2026-08-22Learmonth AirportRecord high minimum temperature (provisional)19.1 C (66.4 F)1.7 C (3.1 F)2919 of 100 (Routine)
2026-08-22Paynes FindRecord high minimum temperature (provisional)14.7 C (58.5 F)0.9 C (1.6 F)2013 of 100 (Routine)
2026-08-22NarroginRecord high maximum temperature (provisional)23.0 C (73.4 F)0.4 C (0.7 F)713 of 100 (Routine)
2026-08-22Derby AeroRecord high minimum temperature (provisional)21.6 C (70.9 F)1.0 C (1.8 F)1612 of 100 (Routine)
2026-08-22Onslow AirportRecord high minimum temperature (provisional)20.3 C (68.5 F)0.8 C (1.4 F)011 of 100 (Routine)
2026-08-22Meekatharra AirportRecord high minimum temperature (provisional)15.4 C (59.7 F)0.4 C (0.7 F)1211 of 100 (Routine)
2026-08-22Wongan HillsRecord high minimum temperature (provisional)12.9 C (55.2 F)0.4 C (0.7 F)1511 of 100 (Routine)
2026-08-22Badgingarra Research STNRecord high minimum temperature (provisional)13.1 C (55.6 F)0.2 C (0.4 F)1510 of 100 (Routine)
2026-08-22Mount Magnet AeroRecord high minimum temperature (provisional)15.4 C (59.7 F)0.2 C (0.4 F)209 of 100 (Routine)
2026-08-22WaginRecord high maximum temperature (provisional)23.0 C (73.4 F)0.5 C (0.9 F)78 of 100 (Routine)
2026-08-22BunburyRecord high maximum temperature (provisional)20.6 C (69.1 F)0.5 C (0.9 F)77 of 100 (Routine)
2026-08-22Paraburdoo AeroRecord high minimum temperature (provisional)18.8 C (65.8 F)0.6 C (1.1 F)34 of 100 (Routine)
2026-08-23BrooktonRecord high minimum temperature (provisional)12.2 C (54.0 F)0.2 C (0.4 F)3115 of 100 (Routine)
2026-08-24DoonganRecord high minimum temperature (provisional)21.0 C (69.8 F)2.0 C (3.6 F)3116 of 100 (Routine)
2026-08-24Broome AirportRecord high minimum temperature (tie) (provisional)22.6 C (72.7 F)tie12 of 100 (Routine)

Download the Data

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. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.