All-time weather records — Medical Lake, WA

Record high
108.0°F
June 29, 2021
Record low
-18.9°F
January 5, 2004
Wettest day
1.47 in
May 21, 2004

Climate change signal in Medical Lake

42.9%

of Medical Lake's all-time daily heat records were set in the last decade (157 of 366 records since 2015).

32%

of all-time daily cold records were set in the last decade (117 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 #
1990s
45
50
2000s
124
125
2010s
106
127
2020s
91
64

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 1996, the latest in 2026. Period of observation: 1996-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 57.0°F — Jan 26, 2003 -18.9°F — Jan 5, 2004 1.18 in — Jan 10, 2006
February 61.0°F — Feb 28, 2020 -14.1°F — Feb 26, 2011 0.90 in — Feb 15, 2017
March 75.0°F — Mar 26, 2025 -5.1°F — Mar 4, 2019 1.35 in — Mar 15, 2015
April 82.0°F — Apr 20, 2016 17.1°F — Apr 11, 2021 1.24 in — Apr 13, 2000
May 91.9°F — May 23, 2001 23.0°F — May 1, 2013 1.47 in — May 21, 2004
June 108.0°F — Jun 29, 2021 32.0°F — Jun 7, 2002 1.32 in — Jun 20, 2013
July 102.9°F — Jul 12, 2002 35.1°F — Jul 3, 1999 0.98 in — Jul 17, 2012
August 102.9°F — Aug 15, 2023 30.9°F — Aug 29, 2010 0.54 in — Aug 6, 2004
September 100.0°F — Sep 2, 2025 0.0°F — Sep 24, 2012 0.73 in — Sep 28, 2019
October 84.9°F — Oct 1, 1997 3.0°F — Oct 31, 2002 1.03 in — Oct 13, 2016
November 66.0°F — Nov 12, 1999 -18.9°F — Nov 24, 2010 1.26 in — Nov 27, 1996
December 57.0°F — Dec 1, 2021 -17.0°F — Dec 20, 2008 1.20 in — Dec 19, 2017

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