National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Dayton, Dayton-Wright Brothers Airport (KMGY)

Lat: 39.59°NLon: 84.22°WElev: 958ft.

Fair

83°F

28°C

Humidity 36%
Wind Speed S 3 mph
Barometer 30.22 in (1022.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 3 Oct 2:53 pm EDT
Extended Forecast for

Miamisburg OH

  • Tonight

    Tonight: Clear, with a low around 59. Light south wind.

    Low: 59 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56. South wind around 5 mph becoming calm after midnight.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. South wind around 6 mph becoming calm after midnight.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

Detailed Forecast

Tonight
Clear, with a low around 59. Light south wind.
Saturday
Sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Clear, with a low around 56. South wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 86. Calm wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 59. South wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 86.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Tuesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Tuesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Miamisburg OH
 39.64°N 84.27°W (Elev. 797 ft)
Last Update:
1:15 pm EDT Oct 3, 2025
Forecast Valid:
3pm EDT Oct 3, 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