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.

A Few Clouds

49°F

9°C

Humidity 64%
Wind Speed SW 12 mph
Barometer 30.00 in (1016.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 8 Nov 7:56 pm EST
Extended Forecast for

Union OH

  • Tonight

    Tonight: Patchy frost after 4am. Otherwise, mostly clear, with a low around 37. West wind 7 to 9 mph.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Monday

    Monday: Areas of frost before 7am. Otherwise, sunny, with a high near 61. Northwest wind 5 to 7 mph.

    High: 61 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Southwest wind 3 to 7 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. Southwest wind 7 to 9 mph.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38. West wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

  • Thursday

    Thursday: Rain likely. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain before 1am. Mostly cloudy, with a low around 32. Breezy. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Rain
    and Breezy

Detailed Forecast

Tonight
Patchy frost after 4am. Otherwise, mostly clear, with a low around 37. West wind 7 to 9 mph.
Monday
Areas of frost before 7am. Otherwise, sunny, with a high near 61. Northwest wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 38. Southwest wind 3 to 7 mph.
Tuesday
Sunny, with a high near 65. Southwest wind 7 to 9 mph.
Tuesday Night
Mostly clear, with a low around 38. West wind around 5 mph becoming calm in the evening.
Veterans Day
Partly sunny, with a high near 63.
Wednesday Night
Rain. Low around 41. Chance of precipitation is 80%.
Thursday
Rain likely. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Thursday Night
A chance of rain before 1am. Mostly cloudy, with a low around 32. Breezy. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 41.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Union OH
 39.91°N 84.3°W (Elev. 899 ft)
Last Update:
6:15 pm EST Nov 8, 2026
Forecast Valid:
8pm EST Nov 8, 2026-6pm EST Nov 15, 2026
 
Forecast Discussion
 
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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