National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Dayton, Cox Dayton International Airport (KDAY)

Lat: 39.91°NLon: 84.22°WElev: 1007ft.

Overcast

65°F

18°C

Humidity 81%
Wind Speed SW 10 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 10 Mar 10:56 am EDT
Extended Forecast for

Union OH

  • Today

    Today: A slight chance of showers and thunderstorms between 2pm and 3pm. Partly sunny, with a high near 74. Southwest wind 11 to 14 mph. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 66. South wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 74. Breezy, with a southwest wind 16 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 74 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain and thunderstorms before 8pm, then a chance of rain between 8pm and 2am. Cloudy, with a low around 32. Northwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: Sunny, with a high near 48. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 57. Windy.

    High: 57 °F

    Mostly Cloudy
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 2pm and 3pm. Partly sunny, with a high near 74. Southwest wind 11 to 14 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 66. South wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm. High near 74. Breezy, with a southwest wind 16 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A chance of rain and thunderstorms before 8pm, then a chance of rain between 8pm and 2am. Cloudy, with a low around 32. Northwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 48. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Mostly cloudy, with a high near 57. Windy.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
Mostly cloudy, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
Rain likely. Mostly cloudy, with a high near 66. Breezy. Chance of precipitation is 70%.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 27. Breezy. Chance of precipitation is 70%.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union OH
 39.93°N 84.3°W (Elev. 899 ft)
Last Update:
4:00 am EDT Mar 10, 2026
Forecast Valid:
11am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation