Union Weather in March
Average highs run from 46°F on March 1 to 58°F on March 31, and lows from 28°F to 37°F. Normal precipitation for the month is 3.50 in over about 12 wet days.
March day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
March at a glance
- Average high
- 52°F
- Average low
- 33°F
- Precipitation
- 3.50 in
- Snowfall
- 3.9 in
- Record high
- 86°FMar 21, 2012
- Record low
- -7°FMar 2, 1980
- Chance of a freeze
- 100%
- Daylight
- 11 h 19 min to 12 h 38 min
- Cloud cover
- 69%
- Humidity
- 81%
- Dew point
- 33°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 |
|---|---|---|---|---|---|---|
| Mar 1 | 46°F | 28°F | 75°F 2023 | 0°F 1980 | 39% | 18% |
| Mar 2 | 46°F | 29°F | 73°F 1992 | -7°F 1980 | 39% | 17% |
| Mar 3 | 46°F | 29°F | 77°F 1976 | 0°F 1980 | 39% | 17% |
| Mar 4 | 47°F | 29°F | 77°F 1976 | 1°F 2002 | 39% | 16% |
| Mar 5 | 47°F | 30°F | 77°F 1983 | -1°F 1978 | 39% | 16% |
| Mar 6 | 47°F | 30°F | 76°F 2026 | 1°F 1960 | 39% | 16% |
| Mar 7 | 48°F | 30°F | 76°F 1974 | 8°F 1960 | 39% | 15% |
| Mar 8 | 48°F | 30°F | 77°F 1974 | 1°F 1960 | 39% | 15% |
| Mar 9 | 49°F | 31°F | 73°F 2016 | -1°F 1984 | 39% | 14% |
| Mar 10 | 49°F | 31°F | 76°F 2009 | 7°F 1984 | 39% | 14% |
| Mar 11 | 49°F | 31°F | 76°F 1990 | 5°F 1948 | 39% | 14% |
| Mar 12 | 50°F | 32°F | 74°F 1990 | -1°F 1948 | 39% | 13% |
| Mar 13 | 50°F | 32°F | 77°F 1990 | 5°F 1960 | 39% | 13% |
| Mar 14 | 51°F | 32°F | 78°F 1990 | 5°F 1993 | 39% | 12% |
| Mar 15 | 51°F | 32°F | 79°F 1977 | 9°F 1993 | 39% | 12% |
| Mar 16 | 51°F | 33°F | 76°F 1982 | 8°F 1970 | 39% | 11% |
| Mar 17 | 52°F | 33°F | 74°F 2022 | 14°F 1956 | 40% | 11% |
| Mar 18 | 52°F | 33°F | 78°F 2012 | 12°F 1967 | 40% | 11% |
| Mar 19 | 53°F | 34°F | 81°F 2012 | 14°F 1965 | 40% | 10% |
| Mar 20 | 53°F | 34°F | 83°F 2012 | 14°F 1951 | 40% | 10% |
| Mar 21 | 54°F | 34°F | 86°F 2012 | 14°F 1960 | 40% | 10% |
| Mar 22 | 54°F | 34°F | 86°F 2026 | 14°F 1951 | 40% | 9% |
| Mar 23 | 54°F | 35°F | 74°F 1988 | 16°F 1960 | 40% | 9% |
| Mar 24 | 55°F | 35°F | 75°F 1988 | 4°F 1974 | 40% | 8% |
| Mar 25 | 55°F | 35°F | 79°F 2007 | 1°F 1974 | 41% | 8% |
| Mar 26 | 56°F | 36°F | 81°F 2026 | 10°F 2001 | 41% | 8% |
| Mar 27 | 56°F | 36°F | 80°F 2007 | 11°F 1955 | 41% | 7% |
| Mar 28 | 57°F | 36°F | 79°F 1989 | 16°F 1955 | 41% | 7% |
| Mar 29 | 57°F | 37°F | 81°F 1998 | 20°F 1964 | 41% | 7% |
| Mar 30 | 58°F | 37°F | 82°F 1986 | 18°F 1964 | 41% | 7% |
| Mar 31 | 58°F | 37°F | 82°F 1981 | 15°F 1969 | 42% | 6% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- March 1
- sunrise 7:10 AM, sunset 6:29 PM
- March 31
- sunrise 7:23 AM, sunset 8:01 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.