Hazardous Weather Conditions
Current conditions at
Dayton, Cox Dayton International Airport (KDAY)
Lat: 39.91°NLon: 84.22°WElev: 1007ft.
Mostly Cloudy
74°F
23°C
| Humidity | 85% |
| Wind Speed | SW 17 mph |
| Barometer | 29.96 in (1014.0 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 19 Aug 4:56 pm EDT |
Extended Forecast for
Union OH
Flood Watch until August 20, 10:00am
NOW until 10:00am Thu

Flood Watch
This Afternoon

High: 78 °F
Chance
T-stormsTonight

Low: 64 °F
Showers
Thursday
High: 80 °F
Chance
Showers then
Mostly SunnyThursday Night

Low: 61 °F
Partly Cloudy
Friday

High: 81 °F
Mostly Sunny
Friday Night

Low: 61 °F
Mostly Clear
Saturday
High: 80 °F
Mostly Sunny
then Chance
T-stormsSaturday Night
Low: 59 °F
Chance
T-storms then
Partly Cloudy
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Southwest wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 4am, then a chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 64. Light and variable wind. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday
A chance of showers and thunderstorms, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 61. Northeast wind around 6 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 81. Light east wind.
Friday Night
Mostly clear, with a low around 61.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST
Point Forecast:
Union OH
39.93°N 84.3°W (Elev. 899 ft)
39.93°N 84.3°W (Elev. 899 ft)
4:00 pm EDT Aug 19, 2026
5pm EDT Aug 19, 2026-6pm EDT Aug 26, 2026



