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

69°F

21°C

Humidity 63%
Wind Speed S 6 mph
Barometer 30.25 in (1023.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 5 Oct 9:53 am EDT
Extended Forecast for

Miamisburg OH

  • Today

    Today: Sunny, with a high near 85. South wind 5 to 9 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 60. South wind 3 to 6 mph.

    Low: 60 °F

    Clear

  • Monday

    Monday: A slight chance of showers after 2pm. Mostly sunny, with a high near 85. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 8pm, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 65. South wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Partly Cloudy
    then Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 75. South wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 75 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 85. South wind 5 to 9 mph.
Tonight
Clear, with a low around 60. South wind 3 to 6 mph.
Monday
A slight chance of showers after 2pm. Mostly sunny, with a high near 85. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 20%.
Monday Night
A slight chance of showers before 8pm, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 65. South wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm. High near 75. South wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 76.
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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:
4:00 am EDT Oct 5, 2025
Forecast Valid:
10am EDT Oct 5, 2025-6pm EDT Oct 11, 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