All-time weather records — Mountain View, WY

Record high
93.9°F
July 13, 2002
Record low
-41.1°F
December 21, 1990
Wettest day
3.33 in
September 11, 2013

Climate change signal in Mountain View

20.2%

of Mountain View's all-time daily heat records were set in the last decade (74 of 366 records since 2015).

14.8%

of all-time daily cold records were set in the last decade (54 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1960s
17
42
1970s
40
114
1980s
78
72
1990s
60
34
2000s
65
34
2010s
50
36
2020s
56
34

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1966, the latest in 2026. Period of observation: 1966-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 57.0°F — Jan 15, 1974 -38.9°F — Jan 2, 2017 0.65 in — Jan 15, 1995
February 62.1°F — Feb 21, 1982 -33.0°F — Feb 6, 1989 0.63 in — Feb 2, 1989
March 75.9°F — Mar 21, 2026 -22.0°F — Mar 10, 1969 1.07 in — Mar 23, 1996
April 79.0°F — Apr 29, 1992 -6.0°F — Apr 7, 2023 0.95 in — Apr 19, 1971
May 87.1°F — May 29, 2003 12.9°F — May 2, 2013 1.39 in — May 9, 2019
June 91.9°F — Jun 25, 1988 21.9°F — Jun 14, 1976 1.45 in — Jun 1, 1991
July 93.9°F — Jul 13, 2002 30.0°F — Jul 2, 1997 1.50 in — Jul 22, 2005
August 91.9°F — Aug 5, 1979 28.0°F — Aug 30, 1993 1.02 in — Aug 20, 1983
September 93.0°F — Sep 4, 2017 9.0°F — Sep 29, 1985 3.33 in — Sep 11, 2013
October 82.0°F — Oct 18, 1974 -16.1°F — Oct 26, 2020 1.04 in — Oct 7, 2021
November 73.9°F — Nov 6, 1975 -18.9°F — Nov 30, 1979 0.89 in — Nov 7, 1998
December 62.1°F — Dec 17, 1980 -41.1°F — Dec 21, 1990 1.12 in — Dec 29, 2020

Click a month to see every daily record for that month in Mountain View.