Union Weather in April
Average highs run from 58°F on April 1 to 70°F on April 30, and lows from 38°F to 48°F. Normal precipitation for the month is 4.46 in over about 13 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
- 65°F
- Average low
- 43°F
- Precipitation
- 4.46 in
- Snowfall
- 0.4 in
- Record high
- 89°FApr 30, 1962
- Record low
- 15°FApr 8, 1972
- Chance of a freeze
- 93%
- Daylight
- 12 h 41 min to 13 h 52 min
- Cloud cover
- 67%
- Humidity
- 77%
- Dew point
- 43°F
- Wind
- 11.9 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 | 58°F | 38°F | 79°F 1986 | 22°F 2019 | 42% | 6% |
| Apr 2 | 59°F | 38°F | 81°F 1963 | 21°F 1961 | 42% | 6% |
| Apr 3 | 59°F | 38°F | 79°F 2026 | 20°F 1965 | 42% | 6% |
| Apr 4 | 60°F | 39°F | 81°F 1986 | 22°F 1995 | 42% | 5% |
| Apr 5 | 60°F | 39°F | 83°F 1988 | 17°F 1995 | 42% | 5% |
| Apr 6 | 61°F | 39°F | 83°F 2010 | 18°F 1982 | 42% | 5% |
| Apr 7 | 61°F | 40°F | 85°F 2001 | 17°F 1982 | 42% | 5% |
| Apr 8 | 62°F | 40°F | 83°F 2001 | 15°F 1972 | 43% | 4% |
| Apr 9 | 62°F | 40°F | 84°F 2001 | 19°F 1997 | 43% | 4% |
| Apr 10 | 62°F | 41°F | 84°F 2011 | 21°F 1997 | 43% | 4% |
| Apr 11 | 63°F | 41°F | 82°F 1977 | 26°F 1989 | 43% | 4% |
| Apr 12 | 63°F | 42°F | 83°F 1971 | 23°F 1976 | 43% | 4% |
| Apr 13 | 64°F | 42°F | 81°F 1977 | 19°F 1950 | 43% | 3% |
| Apr 14 | 64°F | 42°F | 83°F 2026 | 22°F 1950 | 43% | 3% |
| Apr 15 | 65°F | 43°F | 82°F 2002 | 24°F 1962 | 43% | 3% |
| Apr 16 | 65°F | 43°F | 84°F 2002 | 23°F 1962 | 44% | 3% |
| Apr 17 | 65°F | 43°F | 83°F 1964 | 26°F 1980 | 44% | 3% |
| Apr 18 | 66°F | 44°F | 86°F 1977 | 25°F 1983 | 44% | 3% |
| Apr 19 | 66°F | 44°F | 84°F 1985 | 22°F 1953 | 44% | 2% |
| Apr 20 | 67°F | 45°F | 84°F 1976 | 25°F 1983 | 44% | 2% |
| Apr 21 | 67°F | 45°F | 84°F 1985 | 27°F 1953 | 44% | 2% |
| Apr 22 | 67°F | 45°F | 86°F 1985 | 28°F 1986 | 44% | 2% |
| Apr 23 | 68°F | 46°F | 86°F 1960 | 26°F 1986 | 44% | 2% |
| Apr 24 | 68°F | 46°F | 87°F 1960 | 30°F 2005 | 44% | 2% |
| Apr 25 | 68°F | 47°F | 85°F 1960 | 28°F 1967 | 44% | 2% |
| Apr 26 | 69°F | 47°F | 88°F 1986 | 31°F 1976 | 44% | 1% |
| Apr 27 | 69°F | 47°F | 86°F 1986 | 29°F 1976 | 45% | 1% |
| Apr 28 | 69°F | 48°F | 82°F 1981 | 30°F 1976 | 45% | 1% |
| Apr 29 | 70°F | 48°F | 83°F 1970 | 30°F 1977 | 45% | 1% |
| Apr 30 | 70°F | 48°F | 89°F 1962 | 33°F 1963 | 45% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- April 1
- sunrise 7:21 AM, sunset 8:02 PM
- April 30
- sunrise 6:39 AM, sunset 8:31 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00093815 (Dayton Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00093815, 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.