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

Hazardous Weather Conditions

Current conditions at

Dayton, Dayton-Wright Brothers Airport (KMGY)

Lat: 39.59°NLon: 84.22°WElev: 958ft.

A Few Clouds

29°C

84°F

Humidity 63%
Wind Speed Vrbl 7 km/h
Barometer 1016.6 mb (30.05 in)
Dewpoint 21°C (70°F)
Visibility 16 km
Heat Index31°C (88°F)
Last update 13 Jul 2:53 pm EDT
Extended Forecast for

Miamisburg OH

  • This Afternoon

    This Afternoon: Sunny, with a high near 31. West wind around 10 km/h.

    High: 31 °C

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 22. West wind 5 to 10 km/h becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.

    Low: 22 °C

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 29. Calm wind becoming south 5 to 8 km/h in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.

    High: 29 °C

    Showers
    Likely then
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °C

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 31. Calm wind becoming south 5 to 10 km/h in the morning. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 31 °C

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 22. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 22 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 32. Chance of precipitation is 70%.

    High: 32 °C

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely before 8pm, then a chance of showers after 2am. Partly cloudy, with a low around 23. Chance of precipitation is 60%.

    Low: 23 °C

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 70%.

    High: 32 °C

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 31. West wind around 10 km/h.
Tonight
A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 22. West wind 5 to 10 km/h becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.
Monday
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 29. Calm wind becoming south 5 to 8 km/h in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.
Monday Night
Partly cloudy, with a low around 21. Calm wind.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 31. Calm wind becoming south 5 to 10 km/h in the morning. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 22. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 32. Chance of precipitation is 70%.
Wednesday Night
Showers likely before 8pm, then a chance of showers after 2am. Partly cloudy, with a low around 23. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Friday
Showers likely. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.
Friday Night
Showers likely. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 30. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Miamisburg OH
 39.62°N 84.27°W (Elev. 899 m)
Last Update:
1:42 pm EDT Jul 13, 2025
Forecast Valid:
3pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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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