All-time weather records — West Linn, OR

Record high
114.1°F
June 28, 2021
Record low
-99.0°F
October 16, 2020
Wettest day
5.00 in
March 20, 2017

Climate change signal in West Linn

15.6%

of West Linn's all-time daily heat records were set in the last decade (57 of 366 records since 2015).

9%

of all-time daily cold records were set in the last decade (33 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 #
1910s
·
·
1920s
·
·
1930s
·
·
1940s
6
30
1950s
48
96
1960s
39
71
1970s
46
65
1980s
49
36
1990s
70
12
2000s
41
15
2010s
36
27
2020s
31
14

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 1948, the latest in 2025. Period of observation: 1911-2025.

Records by month

Month Hottest day Coldest day Wettest day
January 66.0°F — Jan 16, 1994 -2.0°F — Jan 31, 1950 3.67 in — Jan 26, 1920
February 75.0°F — Feb 28, 1988 6.1°F — Feb 3, 1950 3.13 in — Feb 19, 1968
March 91.9°F — Mar 7, 2005 21.9°F — Mar 1, 1971 5.00 in — Mar 20, 2017
April 91.9°F — Apr 30, 1998 28.0°F — Apr 2, 1972 3.25 in — Apr 8, 2006
May 104.0°F — May 28, 1983 30.9°F — May 1, 1954 1.90 in — May 17, 1991
June 114.1°F — Jun 28, 2021 37.0°F — Jun 1, 1966 1.93 in — Jun 23, 1969
July 108.0°F — Jul 29, 2009 39.9°F — Jul 13, 2020 1.06 in — Jul 19, 1983
August 107.1°F — Aug 8, 1981 32.0°F — Aug 24, 2019 2.43 in — Aug 25, 1956
September 105.1°F — Sep 2, 1988 33.1°F — Sep 17, 1965 1.86 in — Sep 30, 1951
October 96.1°F — Oct 1, 1988 -99.0°F — Oct 16, 2020 3.35 in — Oct 27, 1994
November 75.0°F — Nov 3, 2010 9.0°F — Nov 15, 1955 3.35 in — Nov 24, 1960
December 68.0°F — Dec 10, 1993 6.1°F — Dec 17, 1964 4.41 in — Dec 19, 1917

Click a month to see every daily record for that month in West Linn.