National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Dayton, Cox Dayton International Airport (KDAY)

Lat: 39.91°NLon: 84.22°WElev: 1007ft.

Overcast and Breezy

24°F

-4°C

Humidity 71%
Wind Speed W 22 G 37 mph
Barometer 29.86 in (1012.3 mb)
Dewpoint 16°F (-9°C)
Visibility 9.00 mi
Wind Chill9°F (-13°C)
Last update 16 Mar 11:56 pm EDT
Extended Forecast for

Vandalia OH

  • Overnight

    Overnight: A slight chance of snow showers before 3am, then a chance of flurries after 3am. Mostly cloudy, with a low around 20. Breezy, with a west wind 20 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Tuesday

    Tuesday: A chance of flurries between 11am and noon. Partly sunny, with a high near 29. West wind around 15 mph.

    High: 29 °F

    Chance
    Flurries

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. South wind 5 to 7 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow before 2pm. Mostly cloudy, with a high near 42. South wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. South wind 7 to 9 mph.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain. Partly sunny, with a high near 57. Chance of precipitation is 20%.

    High: 57 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of snow showers before 3am, then a chance of flurries after 3am. Mostly cloudy, with a low around 20. Breezy, with a west wind 20 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Tuesday
A chance of flurries between 11am and noon. Partly sunny, with a high near 29. West wind around 15 mph.
Tuesday Night
Mostly cloudy, with a low around 22. South wind 5 to 7 mph.
Wednesday
A slight chance of snow before 2pm. Mostly cloudy, with a high near 42. South wind 10 to 15 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 35. South wind 7 to 9 mph.
Thursday
A slight chance of rain. Partly sunny, with a high near 57. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly cloudy, with a high near 64.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Vandalia OH
 39.88°N 84.19°W (Elev. 909 ft)
Last Update:
7:43 pm EDT Mar 16, 2026
Forecast Valid:
12am EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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