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

77°F

25°C

Humidity 60%
Wind Speed S 14 G 18 mph
Barometer 29.95 in (1013.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 12 Oct 4:51 pm EDT
Extended Forecast for

Gahanna OH

  • Tonight

    Tonight: Partly cloudy, with a low around 64. South wind 6 to 9 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Southwest wind 3 to 8 mph.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 81. Southwest wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 57. Northeast wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 2pm. Partly sunny, with a high near 68. Breezy. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 64. South wind 6 to 9 mph.
Tuesday
Sunny, with a high near 85. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 67. Southwest wind 3 to 8 mph.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 81. Southwest wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 57. Northeast wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Friday
A chance of showers before 2pm. Partly sunny, with a high near 68. Breezy. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 39. Breezy.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 41.
Monday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gahanna OH
 40.04°N 82.87°W (Elev. 833 ft)
Last Update:
4:00 pm EDT Oct 12, 2026
Forecast Valid:
5pm EDT Oct 12, 2026-6pm EDT Oct 19, 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