All-time weather records — Altoona, PA

Record high
99.0°F
July 17, 1988
Record low
-20.0°F
January 19, 1994
Wettest day
4.49 in
November 8, 1997

Climate change signal in Altoona

20.2%

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

7.9%

of all-time daily cold records were set in the last decade (29 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
7
34
1970s
65
146
1980s
48
83
1990s
58
37
2000s
66
19
2010s
81
35
2020s
41
12

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 1967, the latest in 2026. Period of observation: 1967-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.9°F — Jan 8, 2008 -20.0°F — Jan 19, 1994 2.35 in — Jan 1, 2003
February 75.9°F — Feb 20, 2018 -11.9°F — Feb 14, 1979 1.80 in — Feb 3, 2022
March 82.9°F — Mar 31, 1998 -2.9°F — Mar 15, 1993 2.46 in — Mar 3, 1994
April 90.0°F — Apr 19, 1976 9.0°F — Apr 5, 1982 2.63 in — Apr 2, 2024
May 91.9°F — May 31, 2011 25.0°F — May 1, 1978 2.78 in — May 29, 1982
June 95.0°F — Jun 29, 1971 34.0°F — Jun 11, 1972 3.93 in — Jun 20, 2015
July 99.0°F — Jul 17, 1988 43.0°F — Jul 12, 1978 3.00 in — Jul 28, 1982
August 98.1°F — Aug 13, 1999 34.0°F — Aug 12, 1971 3.10 in — Aug 31, 1970
September 93.9°F — Sep 2, 1973 26.1°F — Sep 24, 1974 4.15 in — Sep 9, 2018
October 87.1°F — Oct 1, 2019 16.0°F — Oct 24, 1969 3.32 in — Oct 7, 2005
November 80.1°F — Nov 4, 2003 6.1°F — Nov 30, 1976 4.49 in — Nov 8, 1997
December 72.0°F — Dec 6, 2001 -11.0°F — Dec 25, 1983 2.10 in — Dec 16, 2020

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