Alton Weather in February
Average highs run from 27°F on February 1 to 35°F on February 28, and lows from 5°F to 13°F. Normal precipitation for the month is 2.98 in over about 11 wet days.
February day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
February at a glance
- Average high
- 31°F
- Average low
- 8°F
- Precipitation
- 2.98 in
- Snowfall
- 17.5 in
- Record high
- 65°FFeb 23, 2022
- Record low
- -30°FFeb 2, 1962
- Chance of a freeze
- 100%
- Daylight
- 9 h 48 min to 11 h 07 min
- Cloud cover
- 64%
- Humidity
- 93%
- Dew point
- 16°F
- Wind
- 5.8 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Feb 1 | 27°F | 5°F | 58°F 1989 | -22°F 1971 | 38% | 26% |
| Feb 2 | 28°F | 5°F | 54°F 1976 | -30°F 1962 | 38% | 26% |
| Feb 3 | 28°F | 5°F | 54°F 1991 | -19°F 1971 | 39% | 26% |
| Feb 4 | 28°F | 5°F | 51°F 2016 | -26°F 1971 | 39% | 26% |
| Feb 5 | 28°F | 6°F | 53°F 2019 | -16°F 2009 | 39% | 26% |
| Feb 6 | 28°F | 6°F | 45°F 1999 | -19°F 1988 | 39% | 26% |
| Feb 7 | 29°F | 6°F | 46°F 2005 | -27°F 1993 | 39% | 26% |
| Feb 8 | 29°F | 6°F | 47°F 2009 | -16°F 1995 | 39% | 26% |
| Feb 9 | 29°F | 6°F | 51°F 1990 | -11°F 1959 | 39% | 26% |
| Feb 10 | 29°F | 7°F | 48°F 2001 | -12°F 1975 | 39% | 26% |
| Feb 11 | 30°F | 7°F | 54°F 1966 | -14°F 1958 | 39% | 26% |
| Feb 12 | 30°F | 7°F | 55°F 1981 | -17°F 1967 | 39% | 26% |
| Feb 13 | 30°F | 7°F | 49°F 1999 | -20°F 2003 | 39% | 26% |
| Feb 14 | 30°F | 8°F | 46°F 1972 | -23°F 2015 | 39% | 26% |
| Feb 15 | 31°F | 8°F | 48°F 1972 | -17°F 2003 | 39% | 26% |
| Feb 16 | 31°F | 8°F | 52°F 2006 | -14°F 2003 | 39% | 26% |
| Feb 17 | 31°F | 9°F | 58°F 1981 | -13°F 2000 | 39% | 26% |
| Feb 18 | 32°F | 9°F | 55°F 1981 | -14°F 2000 | 40% | 26% |
| Feb 19 | 32°F | 9°F | 56°F 1954 | -13°F 1967 | 40% | 26% |
| Feb 20 | 32°F | 10°F | 58°F 1994 | -16°F 1966 | 40% | 25% |
| Feb 21 | 33°F | 10°F | 57°F 2018 | -14°F 2015 | 40% | 25% |
| Feb 22 | 33°F | 10°F | 50°F 1991 | -12°F 1963 | 40% | 25% |
| Feb 23 | 33°F | 11°F | 65°F 2022 | -17°F 1972 | 40% | 25% |
| Feb 24 | 33°F | 11°F | 55°F 2017 | -21°F 2015 | 40% | 25% |
| Feb 25 | 34°F | 12°F | 59°F 1984 | -6°F 1971 | 40% | 25% |
| Feb 26 | 34°F | 12°F | 49°F 2017 | -17°F 2022 | 40% | 24% |
| Feb 27 | 34°F | 13°F | 54°F 1976 | -17°F 1963 | 40% | 24% |
| Feb 28 | 35°F | 13°F | 51°F 2017 | -16°F 2015 | 40% | 24% |
| Feb 29 | 35°F | 13°F | 53°F 2016 | -16°F 2008 | 40% | 24% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- February 1
- sunrise 6:55 AM, sunset 4:43 PM
- February 28
- sunrise 6:14 AM, sunset 5:21 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094644 (Old Town 2 W), public domain. Records: NOAA GHCN-Daily, station USW00014606, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.