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.

Partly Cloudy

65°F

18°C

Humidity 49%
Wind Speed SW 9 mph
Barometer 29.91 in (1012.3 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 13 May 1:53 am EDT
Extended Forecast for

Miamisburg OH

  • Overnight

    Overnight: Showers likely, mainly after 3am. Mostly cloudy, with a low around 59. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, mainly before 10am. Partly sunny, with a high near 68. Southwest wind 14 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. Northwest wind 9 to 17 mph, with gusts as high as 30 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. North wind around 11 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.

    High: 86 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Showers likely, mainly after 3am. Mostly cloudy, with a low around 59. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, mainly before 10am. Partly sunny, with a high near 68. Southwest wind 14 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 44. Northwest wind 9 to 17 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 66. North wind around 11 mph.
Thursday Night
Mostly clear, with a low around 45. Light and variable wind.
Friday
A slight chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Sunday
Partly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 91.
Monday Night
A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Tuesday
Showers likely. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Miamisburg OH
 39.64°N 84.24°W (Elev. 997 ft)
Last Update:
6:41 pm EDT May 12, 2026
Forecast Valid:
2am EDT May 13, 2026-6pm EDT May 19, 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