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.

Fair

73°F

23°C

Humidity 90%
Wind Speed W 6 mph
Barometer 29.95 in (1013.5 mb)
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 27 Jul 8:56 am EDT
Extended Forecast for

3 Miles ESE Union OH

  • Today

    Today: Partly sunny, with a high near 88. Light southwest wind becoming west 5 to 9 mph in the morning.

    High: 88 °F

    Partly Sunny

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 4am. Low around 72. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Showers
    Likely then
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 83. West wind around 14 mph becoming north in the afternoon.

    High: 83 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 63. North wind 7 to 10 mph.

    Low: 63 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 81. North wind 9 to 13 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 88. Light southwest wind becoming west 5 to 9 mph in the morning.
Tonight
Showers and thunderstorms, mainly before 4am. Low around 72. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Partly sunny, with a high near 83. West wind around 14 mph becoming north in the afternoon.
Tuesday Night
Mostly cloudy, then gradually becoming clear, with a low around 63. North wind 7 to 10 mph.
Wednesday
Sunny, with a high near 81. North wind 9 to 13 mph.
Wednesday Night
Clear, with a low around 60.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 62.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly cloudy, with a low around 66.
Saturday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Union OH
 39.88°N 84.28°W (Elev. 951 ft)
Last Update:
4:00 am EDT Jul 27, 2026
Forecast Valid:
9am EDT Jul 27, 2026-6pm EDT Aug 2, 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