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.

Overcast

28°F

-2°C

Humidity 49%
Wind Speed S 12 mph
Barometer 30.26 in (1025.9 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 18 Mar 10:51 am EDT
Extended Forecast for

2 Miles SSW Gahanna OH

  • Today

    Today: Mostly cloudy, with a high near 41. South wind 10 to 13 mph.

    High: 41 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. South wind 7 to 10 mph.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 53. Southwest wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38. Light southeast wind.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 65. South wind 6 to 11 mph. Chance of precipitation is 20%.

    High: 65 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain and thunderstorms before 11pm, then a slight chance of rain between 11pm and 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    T-storms then
    Slight Chance
    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain after 2pm. Partly sunny, with a high near 64. Chance of precipitation is 30%.

    High: 64 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Mostly cloudy, with a high near 41. South wind 10 to 13 mph.
Tonight
Mostly cloudy, with a low around 34. South wind 7 to 10 mph.
Thursday
A chance of rain. Mostly cloudy, with a high near 53. Southwest wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 38. Light southeast wind.
Friday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 65. South wind 6 to 11 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of rain and thunderstorms before 11pm, then a slight chance of rain between 11pm and 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
A chance of rain after 2pm. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Sunday Night
A chance of rain before 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 49.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 53.
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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 18, 2026
Forecast Valid:
11am EDT Mar 18, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation