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

55°F

13°C

Humidity 74%
Wind Speed Calm
Barometer 30.14 in (1020.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 8 Oct 11:53 pm EDT
Extended Forecast for

Miamisburg OH

  • Overnight

    Overnight: Patchy dense fog after 2am. Otherwise, clear, with a low around 49. Calm wind.

    Low: 49 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Patchy dense fog before 9am. Otherwise, sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.

    High: 80 °F

    Patchy Dense
    Fog then
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58. Southeast wind 5 to 7 mph.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 77. Southeast wind 7 to 14 mph, with gusts as high as 26 mph.

    High: 77 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers, with thunderstorms also possible after 11pm. Low around 58. East wind 15 to 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 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy dense fog after 2am. Otherwise, clear, with a low around 49. Calm wind.
Friday
Patchy dense fog before 9am. Otherwise, sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 58. Southeast wind 5 to 7 mph.
Saturday
Mostly cloudy, with a high near 77. Southeast wind 7 to 14 mph, with gusts as high as 26 mph.
Saturday Night
Showers, with thunderstorms also possible after 11pm. Low around 58. East wind 15 to 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 78.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
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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 9, 2026
Forecast Valid:
12am 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