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.

Heavy Rain Fog/Mist

59°F

15°C

Humidity 96%
Wind Speed E 13 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 58°F (14°C)
Visibility 2.00 mi
Last update 22 May 4:49 pm EDT
Extended Forecast for

Miamisburg OH

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. Steady temperature around 62. East wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 5am, then showers likely. Low around 62. East wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 62 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms, mainly between 2pm and 5pm. High near 76. South wind around 14 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. West wind around 6 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Slight Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 62. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers then
    Chance
    Showers

  • Memorial Day

    Memorial Day: Mostly cloudy, with a high near 81.

    High: 81 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Steady temperature around 62. East wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 5am, then showers likely. Low around 62. East wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms, mainly between 2pm and 5pm. High near 76. South wind around 14 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 60. West wind around 6 mph becoming calm in the evening.
Sunday
A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 62. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Memorial Day
Mostly cloudy, with a high near 81.
Monday Night
Mostly cloudy, with a low around 63.
Tuesday
A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 79.
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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 pm EDT May 22, 2026
Forecast Valid:
5pm EDT May 22, 2026-6pm EDT May 29, 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