US weather records set on Wednesday 21 October 2026

• Wednesday 21 October 2026: a low of 48°F in Flagstaff, AZ, the warmest 21 October night on record, in 129 years since 1898; matching the National Weather Service report.
• Wednesday 21 October 2026: a low of 63°F in Kingman, AZ, the warmest 21 October night on record, in 117 years since 1901 (no value for 1902, 1906, 1938 and 6 other years); matching the National Weather Service report.
• Wednesday 21 October 2026: a low of 76°F in Phoenix, AZ, the warmest 21 October night on record, in 132 years since 1895; matching the National Weather Service report.
• Wednesday 21 October 2026: a low of 54°F in Winslow, AZ, the warmest 21 October night on record, in 111 years since 1915 (no value for 2024); matching the National Weather Service report.
• Wednesday 21 October 2026: 0.46 in of precipitation in Bishop, CA, the wettest 21 October on record, in 83 years since 1944; matching the National Weather Service report.
• Wednesday 21 October 2026: 0.42 in of precipitation in Camarillo, CA, tying the record for the wettest 21 October, set in 1985, in 103 years since 1924; matching the National Weather Service report.
• Wednesday 21 October 2026: 0.39 in of precipitation in Lancaster, CA, the wettest 21 October on record, in 80 years since 1945 (no value for 1972 and 1973); matching the National Weather Service report.
• Wednesday 21 October 2026: 0.17 in of precipitation in Long Beach, CA, the wettest 21 October on record, in 69 years since 1958; matching the National Weather Service report.
• Wednesday 21 October 2026: 0.39 in of precipitation in Los Angeles Airport, CA, the wettest 21 October on record, in 83 years since 1944; matching the National Weather Service report.
• Wednesday 21 October 2026: 0.56 in of precipitation in Oxnard, CA, the wettest 21 October on record, in 103 years since 1924; provisional.
• Wednesday 21 October 2026: 0.24 in of precipitation in Palmdale, CA, the wettest 21 October on record, in 95 years since 1932; matching the National Weather Service report.
• Wednesday 21 October 2026: 0.37 in of precipitation in Riverside, CA, the wettest 21 October on record, in 114 years since 1893 (no value for 1894, 1896, 1897 and 17 other years); matching the National Weather Service report.
• Wednesday 21 October 2026: 0.88 in of precipitation in Santa Maria, CA, the wettest 21 October on record, in 109 years since 1906 (no value for 1912, 1913, 1914 and 9 other years); matching the National Weather Service report.
• Wednesday 21 October 2026: a low of 54°F in Boise, ID, the warmest 21 October night on record, in 150 years since 1877; matching the National Weather Service report.
• Wednesday 21 October 2026: a low of 49°F in Jerome, ID, the warmest 21 October night on record, in 108 years since 1915 (no value for 1917, 1955, 1982 and 1 other year); matching the National Weather Service report.
• Wednesday 21 October 2026: a low of 68°F in Las Vegas, NV, the warmest 21 October night on record, in 90 years since 1937; matching the National Weather Service report.
• Wednesday 21 October 2026: a low of 59°F in Borger, TX, tying the record for the warmest 21 October night, set in 2023, in 78 years since 1949; matching the National Weather Service report.
• Wednesday 21 October 2026: a low of 54°F in Salt Lake City, UT, the warmest 21 October night since 1902, tied 2nd warmest of 153 (with 1899).
• Wednesday 21 October 2026: a low of 18°F in Saranac Lake, NY, the coldest 21 October night since 1940 (no value for 1943, 1945, 1948 and 2 other years), 5th coldest of 113.
• Wednesday 21 October 2026: a high of 64°F in Fresno, CA, the coldest 21 October day since 1941, 2nd coldest of 140.
• Wednesday 21 October 2026: 0.14 in of precipitation in Hanford, CA, the wettest 21 October since 1941 (no value for 1973, 1975 and 1984), 2nd wettest of 110.
• Wednesday 21 October 2026: 0.29 in of precipitation in Burbank Glendale Pasadena, CA, the wettest 21 October since 1941 (no value for 1993), 2nd wettest of 86.
• Wednesday 21 October 2026: 0.31 in of precipitation in El Cajon, CA, the wettest 21 October since 1957 (no value for 1979, 1992 and 1998), 2nd wettest of 124.
• Wednesday 21 October 2026: a low of 31°F in Fredonia, NY, the coldest 21 October night since 1974, 4th coldest of 113.
• Wednesday 21 October 2026: 0.23 in of precipitation in San Diego, CA, the wettest 21 October since 1976, tied 2nd wettest of 172 (with 1941).
• Wednesday 21 October 2026: 0.13 in of precipitation in Bakersfield, CA, the wettest 21 October since 1985, tied 3rd wettest of 119 (with 1914).
• Wednesday 21 October 2026: 0.42 in of precipitation in Camarillo, CA, tying the record for the wettest 21 October, set in 1985, in 103 years since 1924; matching the National Weather Service report.
• Wednesday 21 October 2026: 0.05 in of precipitation in Madera, CA, the wettest 21 October since 1985 (no value for 1989), 4th wettest of 97.
• Wednesday 21 October 2026: 0.19 in of precipitation in Los Angeles Downtown, CA, the wettest 21 October since 1985, 4th wettest of 150.
• Wednesday 21 October 2026: a low of 27°F in Jamestown, NY, the coldest 21 October night since 1986 (no value for 1990 and 1992), tied 8th coldest of 103 (with 1948).
• Wednesday 21 October 2026: a low of 34°F in Erie, PA, the coldest 21 October night since 1987, tied 8th coldest of 154 (with 1987, 1959, 1952 and 4 other years).
• Wednesday 21 October 2026: a low of 37°F in Ely, NV, the warmest 21 October night since 1989, tied 2nd warmest of 104 (with 1909, 1902 and 1899).
• Wednesday 21 October 2026: 0.14 in of precipitation in Reno, NV, the wettest 21 October since 1992, 3rd wettest of 134.
• Wednesday 21 October 2026: 0.12 in of precipitation in Merced, CA, the wettest 21 October since 1992, 4th wettest of 115.
• Wednesday 21 October 2026: a high of 12°F in Bettles, AK, the coldest 21 October day since 1997, 11th coldest of 83.
• Wednesday 21 October 2026: a high of 70°F in Olympia, WA, the warmest 21 October since 1998, tied 2nd warmest of 79 (with 1998, 1987 and 1965).
• No measurable precipitation in Greenville, MS for 37 days to Wednesday 21 October 2026, the longest dry spell since 1999 (some days of that spell are missing, so it may have been shorter).

National Weather Service record event reports issued from 20:00 UTC on 21 October to 20:00 UTC on 22 October 2026, by headline: 5.

• PRELIMINARY RECORD DAILY MAXIMUM RAINFALL SET TODAY RERLOX, 01:39 UTC
• RECORD DAILY MAXIMUM RAINFALL SET AT BISHOP CA RERVEF, 08:28 UTC
• RECORD HIGH TEMPERATURE SET AT SAN JUAN AREA/PR RERSJU, 08:55 UTC
• RECORD DAILY MAXIMUM RAINFALL SET AT TONOPAH AIRPORT NV RERLKN, 09:32 UTC
• RECORD HIGH TEMPERATURE SET AT SAN JUAN AREA/PR RERSJU, 19:54 UTC

Reports not listed

0