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

21°F

-6°C

Humidity 59%
Wind Speed SW 7 mph
Barometer 30.14 in (1022.6 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 15 Dec 6:56 pm EST
Extended Forecast for

Casstown OH

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 14. South wind 3 to 8 mph.

    Low: 14 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Sunny, with a high near 34. South wind 6 to 11 mph.

    High: 34 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. South wind 10 to 14 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 40. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. South wind 6 to 13 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain. High near 50. Breezy. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain Likely
    then Rain and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.

    Low: 21 °F

    Chance Rain

  • Friday

    Friday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 14. South wind 3 to 8 mph.
Tuesday
Sunny, with a high near 34. South wind 6 to 11 mph.
Tuesday Night
Mostly cloudy, with a low around 30. South wind 10 to 14 mph.
Wednesday
Partly sunny, with a high near 40. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 31. South wind 6 to 13 mph.
Thursday
Rain. High near 50. Breezy. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A chance of rain before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.
Friday
Partly sunny, with a high near 29.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Mostly cloudy, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Casstown OH
 40.05°N 84.14°W (Elev. 899 ft)
Last Update:
6:12 pm EST Dec 15, 2025
Forecast Valid:
7pm EST Dec 15, 2025-6pm EST Dec 22, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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