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.

Fair

77°F

25°C

Humidity 79%
Wind Speed W 5 mph
Barometer 30.17 in (1020.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 25 Jun 2:53 am EDT
Extended Forecast for

Westerville OH

Heat Advisory June 25, 03:46am until June 25, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 25, 03:46am until June 25, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Overnight

    Low: 74 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 73. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 92. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Partly cloudy, with a low around 74. Light south wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of thunderstorms, then showers and possibly a thunderstorm after 8am. High near 88. Chance of precipitation is 80%.

    High: 88 °F

    Showers
    Likely then
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 74. Calm wind.
Wednesday
A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 73. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 92. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Partly cloudy, with a low around 74. Light south wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 73. Chance of precipitation is 60%.
Saturday
A chance of thunderstorms, then showers and possibly a thunderstorm after 8am. High near 88. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 71. Chance of precipitation is 80%.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 90. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Westerville OH
 40.13°N 82.92°W (Elev. 876 ft)
Last Update:
2:02 am EDT Jun 25, 2025
Forecast Valid:
3am EDT Jun 25, 2025-6pm EDT Jul 1, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation