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

57°F

14°C

Humidity 53%
Wind Speed Vrbl 3 mph
Barometer 30.18 in (1021.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 12 May 10:53 am EDT
Extended Forecast for

Miamisburg OH

  • Today

    Today: Sunny, with a high near 73. Southwest wind 3 to 7 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Showers, mainly after 1am. Low around 58. South wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Partly Cloudy
    then Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 10am. Partly sunny, with a high near 68. Northwest wind 14 to 18 mph, with gusts 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 43. Northwest wind 9 to 17 mph, with gusts as high as 28 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 65. North wind 10 to 13 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 73. Southwest wind 3 to 7 mph.
Tonight
Showers, mainly after 1am. Low around 58. South wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. 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. Northwest wind 14 to 18 mph, with gusts 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 43. Northwest wind 9 to 17 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 65. North wind 10 to 13 mph.
Thursday Night
Mostly clear, with a low around 45.
Friday
Partly sunny, with a high near 71.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Saturday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 68.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Miamisburg OH
 39.64°N 84.3°W (Elev. 899 ft)
Last Update:
4:00 am EDT May 12, 2026
Forecast Valid:
11am EDT May 12, 2026-6pm EDT May 18, 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