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

Hazardous Weather Conditions

Current conditions at

Columbus, Ohio State University Airport (KOSU)

Lat: 40.08°NLon: 83.08°WElev: 902ft.

Mostly Cloudy

60°F

16°C

Humidity 60%
Wind Speed S 6 mph
Barometer 30.00 in (1015.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 16 May 7:53 am EDT
Extended Forecast for

Westerville OH

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 78. Southwest wind 10 to 16 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southwest wind 5 to 9 mph becoming light south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 10am. Mostly cloudy, then gradually becoming sunny, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. South wind 5 to 8 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Southwest wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 70%.

    High: 90 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers likely after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 78. Southwest wind 10 to 16 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southwest wind 5 to 9 mph becoming light south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 10am. Mostly cloudy, then gradually becoming sunny, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 66. South wind 5 to 8 mph.
Monday
Sunny, with a high near 90. Southwest wind 7 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Wednesday
Showers likely before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers likely after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Westerville OH
 40.13°N 82.92°W (Elev. 876 ft)
Last Update:
5:49 am EDT May 16, 2026
Forecast Valid:
8am EDT May 16, 2026-6pm EDT May 22, 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