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

50°F

10°C

Humidity 83%
Wind Speed NE 6 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 9 Oct 2:53 am EDT
Extended Forecast for

Miamisburg OH

  • Overnight

    Overnight: Clear, with a low around 48. Calm wind.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 79. Light and variable wind becoming south around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58. Southeast wind 6 to 8 mph.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 76. Southeast wind 8 to 14 mph, with gusts as high as 26 mph.

    High: 76 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers, with thunderstorms also possible after 11pm. Low around 58. East wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm. High near 72. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely before 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely then
    Mostly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 48. Calm wind.
Friday
Sunny, with a high near 79. Light and variable wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 58. Southeast wind 6 to 8 mph.
Saturday
Mostly cloudy, with a high near 76. Southeast wind 8 to 14 mph, with gusts as high as 26 mph.
Saturday Night
Showers, with thunderstorms also possible after 11pm. Low around 58. East wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 72. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely before 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Columbus Day
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 76.
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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:
2:23 am EDT Oct 9, 2026
Forecast Valid:
3am EDT Oct 9, 2026-6pm EDT Oct 15, 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