Weather Records on 15 August 2026

975 weather records were set or tied worldwide on 15 August 2026. Highest significance: Macomb, US.

Key Facts for 15 August 2026

On 15 August 2026, 975 weather records were set or tied at long-record stations worldwide.
758 were record highs and 67 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 36 monthly and 936 daily.
Macomb set a monthly record daily precipitation of 149.1 mm (5.9 in) on 15 August 2026.
Across 168 earlier years (1793 to 2025) the same calendar date averaged 451 records.

Record Map

975 stations

975 station records on 15 August 2026 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 August 2026: highest significance records shown on the map
Station	Country	Type	Value	Significance
Macomb	United States	Record daily precipitation	149.1 mm (5.9 in)	76 of 100 (Major)
La Harpe	United States	Record daily precipitation	129.5 mm (5.1 in)	71 of 100 (Major)
Fukuyama	Japan	Record daily precipitation	216.5 mm (8.5 in)	65 of 100 (Major)
Jacksonville 2E	United States	Record daily precipitation	99.1 mm (3.9 in)	59 of 100 (Notable)
Gourdon	France	Record daily precipitation	53.3 mm (2.1 in)	58 of 100 (Notable)
Saltillo	Mexico	Record high minimum temperature	25.8 C (78.4 F)	57 of 100 (Notable)
Kenmare 1 WSW	United States	Record daily precipitation	50.8 mm (2.0 in)	56 of 100 (Notable)
Ft Madison	United States	Record daily precipitation	64.0 mm (2.5 in)	55 of 100 (Notable)
Beretania Pump STN 705	United States	Record daily precipitation	30.2 mm (1.2 in)	55 of 100 (Notable)
Hamamatsu	Japan	Record daily precipitation	262.5 mm (10.3 in)	53 of 100 (Notable)
Ange-Parteboda D	Sweden	Record daily precipitation	46.6 mm (1.8 in)	52 of 100 (Notable)
Mackinaw 3WSW	United States	Record daily precipitation	119.4 mm (4.7 in)	51 of 100 (Notable)
Princeton	United States	Record daily precipitation	62.5 mm (2.5 in)	51 of 100 (Notable)
Bloomington Wtr Wks	United States	Record daily precipitation	121.7 mm (4.8 in)	49 of 100 (Notable)
Havana	United States	Record daily precipitation	73.7 mm (2.9 in)	49 of 100 (Notable)
Acapulco Gro.	Mexico	Record low maximum temperature	27.2 C (81.0 F)	48 of 100 (Notable)
Torpshammar_A	Sweden	Record daily precipitation	49.0 mm (1.9 in)	48 of 100 (Notable)
Aledo	United States	Record daily precipitation	67.8 mm (2.7 in)	48 of 100 (Notable)
Saltillo	Mexico	Record high maximum temperature	38.5 C (101.3 F)	47 of 100 (Notable)
Canton	United States	Record daily precipitation	143.8 mm (5.7 in)	47 of 100 (Notable)
Poplarville Exp STN	United States	Record high minimum temperature	25.6 C (78.1 F)	47 of 100 (Notable)
Champaign 3S	United States	Record daily precipitation	38.6 mm (1.5 in)	46 of 100 (Notable)
Rantoul	United States	Record daily precipitation	98.3 mm (3.9 in)	46 of 100 (Notable)
Stiege	Germany	Record high maximum temperature	32.4 C (90.3 F)	45 of 100 (Notable)
Zamora	Mexico	Record high minimum temperature	22.0 C (71.6 F)	45 of 100 (Notable)
Zuerich/Fluntern	Switzerland	Record high maximum temperature	35.2 C (95.4 F)	44 of 100 (Notable)
Hilo Intl AP 87	United States	Record daily precipitation	173.2 mm (6.8 in)	44 of 100 (Notable)
Montelimar	France	Record high maximum temperature	38.1 C (100.6 F)	43 of 100 (Notable)
Marre-Sale	Russia	Record high minimum temperature	15.8 C (60.4 F)	43 of 100 (Notable)
Ulvsjon	Sweden	Record daily precipitation	48.5 mm (1.9 in)	43 of 100 (Notable)
Mt Pulaski	United States	Record daily precipitation	90.4 mm (3.6 in)	43 of 100 (Notable)
Mt Pleasant 1 SW	United States	Record daily precipitation	74.9 mm (2.9 in)	43 of 100 (Notable)
Artesia 6S	United States	Record high minimum temperature	22.2 C (72.0 F)	43 of 100 (Notable)
Fichtelberg	Germany	Record high minimum temperature	18.3 C (64.9 F)	42 of 100 (Notable)
Geisenheim	Germany	Record high maximum temperature	37.6 C (99.7 F)	42 of 100 (Notable)
Fajardo	Puerto Rico [United States]	Record high minimum temperature	28.3 C (82.9 F)	42 of 100 (Notable)
Saguache	United States	Record high minimum temperature	12.8 C (55.0 F)	42 of 100 (Notable)
Gainesville	United States	Record high minimum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Gatlinburg 2 SW	United States	Record high minimum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Lyon - St Exupery	France	Record high maximum temperature	37.0 C (98.6 F)	41 of 100 (Notable)
Linkoeping-Malmslaett	Sweden	Record high maximum temperature	29.7 C (85.5 F)	41 of 100 (Notable)
Garnett 1 E	United States	Record high minimum temperature	25.0 C (77.0 F)	41 of 100 (Notable)
Wallace	United States	Record daily precipitation	43.7 mm (1.7 in)	41 of 100 (Notable)
Waynesville 1 E	United States	Record high minimum temperature	19.4 C (66.9 F)	41 of 100 (Notable)
Dunn Ctr 1E	United States	Record daily precipitation	29.0 mm (1.1 in)	41 of 100 (Notable)
Kure Reg Met HQ	Japan	Record daily precipitation	408.0 mm (16.1 in)	40 of 100 (Notable)
Chester	United States	Record low maximum temperature	15.0 C (59.0 F)	40 of 100 (Notable)
Conchas Dam	United States	Record high minimum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Uch-Aral	Kazakhstan	Record high minimum temperature	27.7 C (81.9 F)	39 of 100 (Notable)
New Boston Dam 17	United States	Record daily precipitation	85.1 mm (3.4 in)	39 of 100 (Notable)
Blind Park	United States	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Szczecin	Poland	Record high maximum temperature	33.2 C (91.8 F)	38 of 100 (Notable)
Gravette	United States	Record high minimum temperature	25.6 C (78.1 F)	38 of 100 (Notable)
Bentley	United States	Record daily precipitation	60.2 mm (2.4 in)	38 of 100 (Notable)
Fairfield	United States	Record daily precipitation	52.8 mm (2.1 in)	38 of 100 (Notable)
Ashland	United States	Record high maximum temperature	43.3 C (109.9 F)	38 of 100 (Notable)
Stevensville 2SW	United States	Record high minimum temperature	24.4 C (75.9 F)	38 of 100 (Notable)
Louisburg	United States	Record low minimum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Elk City 4 W	United States	Record high minimum temperature	25.6 C (78.1 F)	38 of 100 (Notable)
Akroken	Sweden	Record daily precipitation	48.3 mm (1.9 in)	37 of 100 (Notable)

Counts by Type and Timescale

975 records

Records set or tied on 15 August 2026 by type: Highest daily maximum 335, Lowest daily maximum 45, Highest daily minimum 423, Lowest daily minimum 22, Heaviest daily rainfall 150.

Records on 15 August 2026 by type
Record type	Records
Highest daily maximum	335
Lowest daily maximum	45
Highest daily minimum	423
Lowest daily minimum	22
Heaviest daily rainfall	150
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 August 2026 by timescale: all-time 3, monthly 36, daily 936.

How Much Records Were Beaten By

752 broken records

Margins by which the 752 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 172.6. Ties are not counted.

Top 20 by Significance

15 August 2026

Top 20 records on 15 August 2026 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 August 2026	Macomb, US	monthly rain	149.1 mm (5.9 in)	69.6 mm (2.7 in)	56 years	76 of 100 (Major)
15 August 2026	La Harpe, US	daily rain	129.5 mm (5.1 in)	63.2 mm (2.5 in)	73 years	71 of 100 (Major)
15 August 2026	Fukuyama, JP	monthly rain	216.5 mm (8.5 in)	65.5 mm (2.6 in)	50 years	65 of 100 (Major)
15 August 2026	Jacksonville 2E, US	monthly rain	99.1 mm (3.9 in)	12.5 mm (0.5 in)	113 years	59 of 100 (Notable)
15 August 2026	Gourdon, FR	daily rain	53.3 mm (2.1 in)	31.5 mm (1.2 in)	47 years	58 of 100 (Notable)
15 August 2026	Saltillo, MX	daily high min	25.8 C (78.4 F)	5.3 C (9.5 F)	76 years	57 of 100 (Notable)
15 August 2026	Kenmare 1 WSW, US	daily rain	50.8 mm (2.0 in)	18.0 mm (0.7 in)	88 years	56 of 100 (Notable)
15 August 2026	Ft Madison, US	daily rain	64.0 mm (2.5 in)	24.6 mm (1.0 in)	119 years	55 of 100 (Notable)
15 August 2026	Beretania Pump STN 705, US	daily rain	30.2 mm (1.2 in)	26.6 mm (1.0 in)	31 years	55 of 100 (Notable)
15 August 2026	Hamamatsu, JP	daily rain	262.5 mm (10.3 in)	172.6 mm (6.8 in)	23 years	53 of 100 (Notable)
15 August 2026	Ange-Parteboda D, SE	daily rain	46.6 mm (1.8 in)	24.9 mm (1.0 in)	15 years	52 of 100 (Notable)
15 August 2026	Mackinaw 3WSW, US	monthly rain	119.4 mm (4.7 in)	13.2 mm (0.5 in)	83 years	51 of 100 (Notable)
15 August 2026	Princeton, US	daily rain	62.5 mm (2.5 in)	18.3 mm (0.7 in)	124 years	51 of 100 (Notable)
15 August 2026	Bloomington Wtr Wks, US	monthly rain	121.7 mm (4.8 in)	36.4 mm (1.4 in)	21 years	49 of 100 (Notable)
15 August 2026	Havana, US	daily rain	73.7 mm (2.9 in)	24.9 mm (1.0 in)	73 years	49 of 100 (Notable)
15 August 2026	Acapulco Gro., MX	daily low max	27.2 C (81.0 F)	5.2 C (9.4 F)	19 years	48 of 100 (Notable)
15 August 2026	Torpshammar_A, SE	daily rain	49.0 mm (1.9 in)	32.9 mm (1.3 in)	20 years	48 of 100 (Notable)
15 August 2026	Aledo, US	daily rain	67.8 mm (2.7 in)	12.4 mm (0.5 in)	117 years	48 of 100 (Notable)
15 August 2026	Saltillo, MX	daily high max	38.5 C (101.3 F)	4.5 C (8.1 F)	76 years	47 of 100 (Notable)
15 August 2026	Canton, US	monthly rain	143.8 mm (5.7 in)	24.9 mm (1.0 in)	49 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

1793 to 2026

Records set or tied on this calendar date in each year from 1793 to 2026. 2026 had 975 records.

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

Records on 08-15 in each year
Year	Records
1793	2
1802	1
1805	1
1812	1
1821	1
1838	2
1839	1
1841	1
1844	1
1845	3
1852	1
1854	1
1856	1
1858	1
1861	3
1867	1
1868	2
1869	1
1873	2
1875	1
1876	2
1877	1
1878	1
1879	1
1880	3
1881	2
1882	2
1883	1
1884	2
1885	3
1886	1
1887	1
1888	3
1890	2
1891	2
1892	3
1893	3
1895	1
1896	9
1897	3
1898	1
1899	2
1900	6
1901	5
1902	10
1903	5
1904	17
1905	26
1906	8
1907	14
1908	15
1909	30
1910	16
1911	26
1912	34
1913	42
1914	11
1915	26
1916	223
1917	32
1918	23
1919	22
1920	59
1921	55
1922	86
1923	116
1924	220
1925	91
1926	115
1927	223
1928	271
1929	586
1930	274
1931	351
1932	368
1933	268
1934	992
1935	414
1936	867
1937	574
1938	681
1939	450
1940	372
1941	289
1942	377
1943	426
1944	610
1945	433
1946	285
1947	559
1948	366
1949	559
1950	317
1951	597
1952	596
1953	449
1954	481
1955	539
1956	390
1957	355
1958	1,092
1959	515
1960	417
1961	704
1962	1,052
1963	972
1964	1,185
1965	535
1966	340
1967	687
1968	1,002
1969	583
1970	382
1971	899
1972	613
1973	499
1974	512
1975	490
1976	1,345
1977	550
1978	841
1979	1,788
1980	745
1981	588
1982	479
1983	955
1984	622
1985	915
1986	1,283
1987	1,098
1988	1,479
1989	495
1990	758
1991	778
1992	1,638
1993	831
1994	1,073
1995	1,298
1996	929
1997	927
1998	861
1999	956
2000	932
2001	1,254
2002	1,307
2003	1,248
2004	1,424
2005	1,067
2006	923
2007	1,317
2008	964
2009	1,038
2010	1,622
2011	770
2012	654
2013	711
2014	583
2015	759
2016	707
2017	532
2018	328
2019	435
2020	1,327
2021	900
2022	692
2023	1,414
2024	729
2025	772
2026	975

Download the Data

Data for records on 2026-08-15: 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

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

Margin	Records
0 to 25	725
25 to 50	22
50 to 75	3
75 to 100	1
100 to 125	0
125 to 150	0
150 to 175	1