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.

Mostly Cloudy

70°F

21°C

Humidity 84%
Wind Speed N 8 mph
Barometer 29.83 in (1009.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 2 Aug 9:56 pm EDT
Extended Forecast for

3 Miles NNE Casstown OH

  • Tonight

    Tonight: Partly cloudy, with a low around 62. North wind around 9 mph.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 79. North wind around 9 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Northeast wind 3 to 6 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Light east wind.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.

    High: 83 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. North wind around 9 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 79. North wind around 9 mph.
Monday Night
Mostly clear, with a low around 57. Northeast wind 3 to 6 mph.
Tuesday
Sunny, with a high near 82. Light east wind.
Tuesday Night
Mostly clear, with a low around 61. Calm wind.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Saturday Night
A chance of thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Casstown OH
 40.09°N 84.11°W (Elev. 997 ft)
Last Update:
4:00 pm EDT Aug 2, 2026
Forecast Valid:
10pm EDT Aug 2, 2026-6pm EDT Aug 9, 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