All-time weather records — Forest Lake, MN

Record high
104.0°F
July 15, 1988
Record low
-38.0°F
January 9, 1977
Wettest day
6.50 in
June 1, 1965

Climate change signal in Forest Lake

20.2%

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

6.3%

of all-time daily cold records were set in the last decade (23 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 #
1950s
1
17
1960s
29
95
1970s
4
80
1980s
56
51
1990s
72
44
2000s
81
32
2010s
75
31
2020s
48
16

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 1959, the latest in 2026. Period of observation: 1958-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 57.0°F — Jan 8, 2003 -38.0°F — Jan 9, 1977 1.28 in — Jan 18, 1996
February 64.9°F — Mar 1, 2000 -36.9°F — Feb 2, 1996 1.40 in — Feb 12, 1984
March 81.0°F — Mar 27, 2007 -32.1°F — Mar 1, 1962 1.52 in — Mar 16, 2016
April 91.0°F — Apr 26, 1962 1.9°F — Apr 1, 1975 3.68 in — Apr 1, 2023
May 95.0°F — May 29, 2006 21.0°F — May 3, 1967 2.87 in — May 24, 2012
June 100.0°F — Jun 8, 2011 33.1°F — Jun 7, 1960 6.50 in — Jun 1, 1965
July 104.0°F — Jul 15, 1988 42.1°F — Jul 1, 1960 4.21 in — Jul 24, 2016
August 102.0°F — Aug 1, 1988 41.0°F — Aug 19, 2004 3.50 in — Aug 27, 1960
September 96.1°F — Sep 4, 2023 25.0°F — Sep 26, 1965 4.16 in — Sep 21, 2018
October 91.0°F — Oct 2, 2023 12.9°F — Oct 31, 1996 3.52 in — Oct 5, 2005
November 75.9°F — Nov 3, 2022 -20.0°F — Nov 30, 1964 1.84 in — Nov 1, 1991
December 64.9°F — Dec 1, 1998 -36.9°F — Dec 19, 1983 1.65 in — Dec 28, 1982

Click a month to see every daily record for that month in Forest Lake.