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

50°F

10°C

Humidity 83%
Wind Speed W 16 mph
Barometer 29.65 in (1004.1 mb)
Dewpoint 45°F (7°C)
Visibility 8.00 mi
Wind Chill44°F (7°C)
Last update 6 Jan 4:56 pm EST
Extended Forecast for

3 Miles ESE Union OH

  • Tonight

    Tonight: Cloudy, with a low around 38. West wind 6 to 13 mph.

    Low: 38 °F

    Cloudy

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 50. West wind around 7 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. Southwest wind around 6 mph.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain after 1pm. Mostly cloudy, with a high near 59. South wind 7 to 13 mph. Chance of precipitation is 30%.

    High: 59 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 54. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 55. Chance of precipitation is 50%.

    High: 55 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 38. West wind 6 to 13 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 50. West wind around 7 mph.
Wednesday Night
Partly cloudy, with a low around 36. Southwest wind around 6 mph.
Thursday
A chance of rain after 1pm. Mostly cloudy, with a high near 59. South wind 7 to 13 mph. Chance of precipitation is 30%.
Thursday Night
Rain. Low around 54. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 46. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 55. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Union OH
 39.88°N 84.28°W (Elev. 951 ft)
Last Update:
4:00 pm EST Jan 6, 2026
Forecast Valid:
5pm EST Jan 6, 2026-6pm EST Jan 13, 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