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.

Fair

62°F

17°C

Humidity 84%
Wind Speed Calm
Barometer 30.21 in (1022.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 4 Oct 4:56 am EDT
Extended Forecast for

3 Miles ENE Casstown OH

  • Today

    Today: Sunny, with a high near 86. South wind 3 to 5 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Southeast wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Light southeast wind becoming south 5 to 9 mph in the morning.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. South wind around 6 mph.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers after 2pm. Mostly sunny, with a high near 82. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 2pm. High near 74. Chance of precipitation is 90%.

    High: 74 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 86. South wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 57. Southeast wind around 5 mph.
Sunday
Sunny, with a high near 84. Light southeast wind becoming south 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 58. South wind around 6 mph.
Monday
A slight chance of showers after 2pm. Mostly sunny, with a high near 82. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers, with thunderstorms also possible after 2pm. High near 74. Chance of precipitation is 90%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Clear, with a low around 41.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Casstown OH
 40.07°N 84.08°W (Elev. 1010 ft)
Last Update:
4:00 am EDT Oct 4, 2025
Forecast Valid:
5am EDT Oct 4, 2025-6pm EDT Oct 10, 2025
 
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