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

John Glenn Columbus International Airport (KCMH)

Lat: 39.99°NLon: 82.88°WElev: 807ft.

Partly Cloudy

26°F

-3°C

Humidity 88%
Wind Speed E 3 mph
Barometer 30.45 in (1032.0 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 24 Mar 7:51 am EDT
Extended Forecast for

2 Miles SSW Gahanna OH

  • Today

    Today: Sunny, with a high near 50. Calm wind becoming southeast around 6 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. Light and variable wind becoming south 5 to 9 mph in the morning.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 51. South wind around 8 mph. Chance of precipitation is 20%.

    Low: 51 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 75. South wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 41. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 41 °F

    Showers

  • Friday

    Friday: A chance of showers before 2pm. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 50. Calm wind becoming southeast around 6 mph.
Tonight
Mostly cloudy, with a low around 36. Light and variable wind.
Wednesday
Partly sunny, with a high near 64. Light and variable wind becoming south 5 to 9 mph in the morning.
Wednesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 51. South wind around 8 mph. Chance of precipitation is 20%.
Thursday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 75. South wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm. Low around 41. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Friday
A chance of showers before 2pm. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Gahanna OH
 39.99°N 82.88°W (Elev. 814 ft)
Last Update:
4:00 am EDT Mar 24, 2026
Forecast Valid:
8am EDT Mar 24, 2026-6pm EDT Mar 30, 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