Current conditions at

Dayton, Cox Dayton International Airport (KDAY)

Lat: 39.91°NLon: 84.22°WElev: 1007ft.

Light Rain

73°F

23°C

Humidity 87%
Wind Speed N 9 mph
Barometer 30.00 in (1015.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 10 Sep 8:56 pm EDT
Extended Forecast for

Union OH

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. North wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 81. Light and variable wind becoming east around 6 mph in the afternoon.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers, mainly after 4am.  Increasing clouds, with a low around 66. Southeast wind around 5 mph.  Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 83. Southwest wind 5 to 9 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm.  Partly cloudy, with a low around 66. Southwest wind 3 to 5 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 62. North wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 81. Light and variable wind becoming east around 6 mph in the afternoon.
Friday Night
A chance of showers, mainly after 4am. Increasing clouds, with a low around 66. Southeast wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Southwest wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 66. Southwest wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Sunny, with a high near 88.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Union OH
 39.91°N 84.3°W (Elev. 899 ft)
6:12 pm EDT Sep 10, 2026
9pm EDT Sep 10, 2026-6pm EDT Sep 17, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database