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.

Overcast

72°F

22°C

Humidity 97%
Wind Speed Calm
Barometer 29.98 in (1014.5 mb)
Dewpoint 71°F (22°C)
Visibility 9.00 mi
Last update 10 Sep 8:53 pm EDT
Extended Forecast for

Miamisburg OH

  • Tonight

    Tonight: A slight chance of showers before 1am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 64. Light north wind. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Northeast wind around 6 mph becoming east in the afternoon.

    High: 82 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: A chance of showers, mainly after 4am. Increasing clouds, with a low around 68. East wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 84. Southwest wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 68. Southwest wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 1am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 64. Light north wind. Chance of precipitation is 20%.
Friday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Northeast wind around 6 mph becoming east in the afternoon.
Friday Night
A chance of showers, mainly after 4am. Increasing clouds, with a low around 68. East wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 84. Southwest wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 68. Southwest wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Sunny, with a high near 89.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Miamisburg OH
 39.64°N 84.27°W (Elev. 797 ft)
Last Update:
6:12 pm EDT Sep 10, 2026
Forecast Valid:
9pm EDT Sep 10, 2026-6pm EDT Sep 17, 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