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.

Fair

70°F

21°C

Humidity 71%
Wind Speed S 8 mph
Barometer 29.96 in (1013.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 13 Oct 11:53 pm EDT
Extended Forecast for

Miamisburg OH

  • Overnight

    Overnight: Mostly clear, with a low around 66. Southwest wind around 7 mph.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 82. Southwest wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers. Mostly cloudy, with a low around 60. Northeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: A slight chance of showers before 4pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 73. Northeast wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 59. Southwest wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 64. Breezy. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 66. Southwest wind around 7 mph.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 82. Southwest wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers. Mostly cloudy, with a low around 60. Northeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers before 4pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 73. Northeast wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 59. Southwest wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 64. Breezy. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 39. Breezy.
Saturday
Sunny, with a high near 56.
Saturday Night
Clear, with a low around 36.
Sunday
Sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 67.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Miamisburg OH
 39.64°N 84.27°W (Elev. 797 ft)
Last Update:
12:01 am EDT Oct 14, 2026
Forecast Valid:
12am EDT Oct 14, 2026-6pm EDT Oct 20, 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