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.

Light Rain

59°F

15°C

Humidity 93%
Wind Speed E 10 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 57°F (14°C)
Visibility 7.00 mi
Last update 22 May 4:56 pm EDT
Extended Forecast for

Vandalia OH

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. Steady temperature around 61. East wind around 11 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 5am, then showers likely. Low around 61. East wind 11 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 61 °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 75. South wind around 14 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. Southwest wind 3 to 7 mph.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 79. South wind 3 to 7 mph. 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

    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 61. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °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 62.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 80.

    High: 80 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Steady temperature around 61. East wind around 11 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 5am, then showers likely. Low around 61. East wind 11 to 13 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 75. South wind around 14 mph. Chance of precipitation is 80%. 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. Southwest wind 3 to 7 mph.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 79. South wind 3 to 7 mph. 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 61. 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 62.
Tuesday
Mostly cloudy, with a high near 80.
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 40%.
Wednesday Night
A chance of thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 79.
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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:
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