All-time weather records — Oglesby, IL

Record high
104.0°F
July 29, 1983
Record low
-26.0°F
January 19, 1985
Wettest day
4.50 in
August 20, 1979

Climate change signal in Oglesby

13.4%

of Oglesby's all-time daily heat records were set in the last decade (49 of 366 records since 2015).

11.2%

of all-time daily cold records were set in the last decade (41 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
29
55
1970s
66
87
1980s
58
73
1990s
58
59
2000s
66
37
2010s
62
38
2020s
27
17

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 1963, the latest in 2026. Period of observation: 1963-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 82.0°F — Jan 31, 2000 -26.0°F — Jan 19, 1985 1.74 in — Jan 12, 1966
February 75.9°F — Feb 28, 2024 -22.0°F — Feb 1, 2019 2.90 in — Feb 21, 1997
March 84.0°F — Mar 22, 2012 -9.9°F — Mar 3, 2014 3.10 in — Mar 3, 1985
April 91.0°F — Apr 21, 1987 3.0°F — Apr 1, 1984 2.40 in — Apr 2, 1983
May 99.0°F — May 29, 1987 25.0°F — May 6, 1974 4.25 in — May 17, 1974
June 100.9°F — Jun 21, 1988 37.0°F — Jun 9, 1969 3.50 in — Jun 13, 1981
July 104.0°F — Jul 29, 1983 42.1°F — Jul 5, 1972 4.15 in — Jul 22, 1997
August 102.9°F — Aug 17, 1988 39.9°F — Aug 28, 1986 4.50 in — Aug 20, 1979
September 98.1°F — Sep 2, 2000 27.0°F — Sep 23, 1974 3.22 in — Sep 6, 1989
October 91.0°F — Oct 6, 1963 16.0°F — Oct 19, 1972 3.92 in — Oct 10, 1969
November 79.0°F — Nov 2, 2000 -5.1°F — Nov 26, 1977 2.18 in — Nov 30, 2006
December 70.0°F — Dec 3, 1970 -20.9°F — Dec 23, 1989 2.95 in — Dec 24, 1965

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