Siren Weather in April
Average highs run from 48°F on April 1 to 63°F on April 30, and lows from 25°F to 37°F. Normal precipitation for the month is 2.85 in over about 11 wet days.
April day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
April at a glance
- Average high
- 56°F
- Average low
- 31°F
- Precipitation
- 2.85 in
- Snowfall
- 3.5 in
- Record high
- 92°FApr 21, 1980
- Record low
- -9°FApr 1, 1924
- Chance of a freeze
- 100%
- Daylight
- 12 h 49 min to 14 h 18 min
- Cloud cover
- 65%
- Humidity
- 73%
- Dew point
- 33°F
- Wind
- 11.0 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 |
|---|---|---|---|---|---|---|
| Apr 1 | 48°F | 25°F | 71°F 2010 | -9°F 1924 | 31% | 8% |
| Apr 2 | 49°F | 25°F | 77°F 2010 | 3°F 1970 | 31% | 8% |
| Apr 3 | 49°F | 25°F | 78°F 1929 | -3°F 1954 | 31% | 8% |
| Apr 4 | 50°F | 26°F | 80°F 1929 | 2°F 1975 | 32% | 7% |
| Apr 5 | 50°F | 26°F | 75°F 1930 | 2°F 1920 | 32% | 7% |
| Apr 6 | 51°F | 27°F | 81°F 1991 | 3°F 1979 | 32% | 7% |
| Apr 7 | 51°F | 27°F | 83°F 1991 | 3°F 1936 | 33% | 7% |
| Apr 8 | 52°F | 27°F | 80°F 1931 | 4°F 1923 | 33% | 6% |
| Apr 9 | 52°F | 28°F | 79°F 1930 | 10°F 1939 | 33% | 6% |
| Apr 10 | 53°F | 28°F | 84°F 1977 | 9°F 1928 | 34% | 6% |
| Apr 11 | 53°F | 29°F | 80°F 1968 | 8°F 1924 | 34% | 6% |
| Apr 12 | 54°F | 29°F | 77°F 1968 | 10°F 1939 | 34% | 6% |
| Apr 13 | 54°F | 30°F | 80°F 1931 | 10°F 1970 | 35% | 5% |
| Apr 14 | 55°F | 30°F | 77°F 1976 | 11°F 1950 | 35% | 5% |
| Apr 15 | 55°F | 30°F | 85°F 2003 | 10°F 1943 | 35% | 5% |
| Apr 16 | 56°F | 31°F | 86°F 2002 | 12°F 1983 | 35% | 5% |
| Apr 17 | 56°F | 31°F | 82°F 2002 | 11°F 1928 | 36% | 5% |
| Apr 18 | 57°F | 32°F | 84°F 1987 | 13°F 1926 | 36% | 4% |
| Apr 19 | 57°F | 32°F | 87°F 1987 | 12°F 1947 | 36% | 4% |
| Apr 20 | 58°F | 33°F | 83°F 1987 | 8°F 1928 | 37% | 4% |
| Apr 21 | 58°F | 33°F | 92°F 1980 | 15°F 1953 | 37% | 4% |
| Apr 22 | 59°F | 34°F | 88°F 1980 | 9°F 1924 | 37% | 3% |
| Apr 23 | 59°F | 34°F | 83°F 1925 | 17°F 1931 | 37% | 3% |
| Apr 24 | 60°F | 34°F | 85°F 1990 | 7°F 1956 | 37% | 3% |
| Apr 25 | 60°F | 35°F | 86°F 1962 | 16°F 1934 | 37% | 3% |
| Apr 26 | 61°F | 35°F | 84°F 1990 | 14°F 1926 | 37% | 3% |
| Apr 27 | 61°F | 36°F | 88°F 1952 | 16°F 1958 | 37% | 2% |
| Apr 28 | 62°F | 36°F | 88°F 1952 | 15°F 1956 | 38% | 2% |
| Apr 29 | 62°F | 37°F | 91°F 1952 | 16°F 1958 | 38% | 2% |
| Apr 30 | 63°F | 37°F | 89°F 1952 | 13°F 1956 | 38% | 2% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- April 1
- sunrise 6:49 AM, sunset 7:38 PM
- April 30
- sunrise 5:58 AM, sunset 8:16 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00014995 (Grantsburg), public domain. Records: NOAA GHCN-Daily, station USC00471978, 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.