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

Dayton, Cox Dayton International Airport (KDAY)

Lat: 39.91°NLon: 84.22°WElev: 1007ft.

Overcast

51°F

11°C

Humidity 46%
Wind Speed S 15 G 24 mph
Barometer 29.70 in (1005.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 7 Nov 6:56 am EST
Extended Forecast for

Union OH

  • Today

    Today: Rain, mainly before 2pm. High near 63. Breezy, with a west wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Rain and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 39. West wind 5 to 11 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 61. Southwest wind 3 to 8 mph.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Rain, mainly after 1am. Low around 38. South wind 5 to 9 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    then Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 46. Northwest wind 10 to 15 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain and snow likely, becoming all snow after 10pm. Mostly cloudy, with a low around 25. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 25 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Monday

    Monday: A chance of snow. Partly sunny, with a high near 37. Chance of precipitation is 50%.

    High: 37 °F

    Chance Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

Today
Rain, mainly before 2pm. High near 63. Breezy, with a west wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly clear, with a low around 39. West wind 5 to 11 mph.
Saturday
Partly sunny, with a high near 61. Southwest wind 3 to 8 mph.
Saturday Night
Rain, mainly after 1am. Low around 38. South wind 5 to 9 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of rain. Mostly cloudy, with a high near 46. Northwest wind 10 to 15 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain and snow likely, becoming all snow after 10pm. Mostly cloudy, with a low around 25. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
A chance of snow. Partly sunny, with a high near 37. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 22.
Veterans Day
Partly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Union OH
 39.93°N 84.3°W (Elev. 899 ft)
Last Update:
4:00 am EST Nov 7, 2025
Forecast Valid:
7am EST Nov 7, 2025-6pm EST Nov 13, 2025
 
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Additional Resources

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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