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.

A Few Clouds

66°F

19°C

Humidity 54%
Wind Speed W 6 mph
Barometer 30.09 in (1018.5 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 8 Oct 10:56 am EDT
Extended Forecast for

3 Miles ENE Union OH

  • Today

    Today: Sunny, with a high near 74. Northwest wind 6 to 14 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. Northwest wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. Southeast wind around 7 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 78. Southeast wind 6 to 9 mph.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 59. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers. High near 66. Chance of precipitation is 90%.

    High: 66 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers

  • Columbus Day

    Columbus Day: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 74. Northwest wind 6 to 14 mph.
Tonight
Mostly clear, with a low around 47. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 76. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 54. Southeast wind around 7 mph.
Saturday
Partly sunny, with a high near 78. Southeast wind 6 to 9 mph.
Saturday Night
A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 59. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers. High near 66. Chance of precipitation is 90%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Columbus Day
Partly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
A chance of showers. Mostly sunny, with a high near 72. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Union OH
 39.91°N 84.27°W (Elev. 974 ft)
Last Update:
5:38 am EDT Oct 8, 2026
Forecast Valid:
11am EDT Oct 8, 2026-6pm EDT Oct 14, 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