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.

A Few Clouds

85°F

29°C

Humidity 59%
Wind Speed S 13 G 21 mph
Barometer 30.09 in (1018.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 Jun 11:56 am EDT
Extended Forecast for

Dayton OH

Heat Advisory June 22, 12:00pm until June 24, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 92. South wind 11 to 13 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. South wind 8 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 95. Heat index values as high as 105. Southwest wind 8 to 11 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Southwest wind 5 to 7 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95. Southwest wind 3 to 7 mph.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 92. South wind 11 to 13 mph.
Tonight
Mostly clear, with a low around 76. South wind 8 to 10 mph.
Sunday
Sunny, with a high near 95. Heat index values as high as 105. Southwest wind 8 to 11 mph.
Sunday Night
Mostly clear, with a low around 76. Southwest wind 5 to 7 mph.
Monday
Sunny, with a high near 95. Southwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dayton OH
 39.79°N 84.2°W (Elev. 784 ft)
Last Update:
9:48 am EDT Jun 21, 2025
Forecast Valid:
12pm EDT Jun 21, 2025-6pm EDT Jun 27, 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