Hazardous Weather Conditions
Current conditions at
Dayton, Cox Dayton International Airport (KDAY)
Lat: 39.91°NLon: 84.22°WElev: 1007ft.
A Few Clouds
66°F
19°C
| Humidity | 96% |
| Wind Speed | E 7 mph |
| Barometer | 30.08 in (1017.9 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 21 Aug 4:56 am EDT |
Extended Forecast for
Union OHSimilar City Names
Today
High: 81 °F
Patchy Fog
then SunnyTonight

Low: 63 °F
Partly Cloudy
Saturday
High: 79 °F
Partly Sunny
then Showers
LikelySaturday Night

Low: 58 °F
Partly Cloudy
Sunday

High: 75 °F
Sunny
Sunday Night

Low: 55 °F
Mostly Clear
Monday

High: 75 °F
Mostly Sunny
Monday Night

Low: 56 °F
Partly Cloudy
Tuesday

High: 77 °F
Mostly Sunny
Detailed Forecast
Today
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Light and variable wind becoming southeast around 5 mph.
Tonight
Partly cloudy, with a low around 63. Calm wind.
Saturday
A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 79. Light southwest wind becoming west 6 to 11 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 58. Northwest wind 7 to 10 mph.
Sunday
Sunny, with a high near 75. Northwest wind 8 to 11 mph.
Sunday Night
Mostly clear, with a low around 55.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 81.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST
Point Forecast:
Union OHSimilar City Names
39.91°N 84.3°W (Elev. 899 ft)
39.91°N 84.3°W (Elev. 899 ft)
4:00 am EDT Aug 21, 2026
5am EDT Aug 21, 2026-6pm EDT Aug 27, 2026



