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.

A Few Clouds

66°F

19°C

Humidity 73%
Wind Speed Calm
Barometer 30.25 in (1023.9 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Last update 4 Oct 9:51 am EDT
Extended Forecast for

Gahanna OH

  • Today

    Today: Sunny, with a high near 86. South wind 5 to 7 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 56. Southeast wind 5 to 7 mph becoming calm after midnight.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Southeast wind around 6 mph becoming calm after midnight.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 85. South wind 3 to 7 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers, mainly after 8am. High near 77. Chance of precipitation is 90%.

    High: 77 °F

    Showers
    Likely then
    Showers

  • Tuesday Night

    Tuesday Night: Showers, mainly before 2am. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Mostly sunny, with a high near 68. Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 86. South wind 5 to 7 mph.
Tonight
Clear, with a low around 56. Southeast wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 85. Calm wind becoming south 5 to 9 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 57. Southeast wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 85. South wind 3 to 7 mph.
Monday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers, mainly after 8am. High near 77. Chance of precipitation is 90%.
Tuesday Night
Showers, mainly before 2am. Low around 54. Chance of precipitation is 80%.
Wednesday
A chance of showers before 8am. Mostly sunny, with a high near 68. Chance of precipitation is 30%.
Wednesday Night
Clear, with a low around 42.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gahanna OH
 40.01°N 82.88°W (Elev. 797 ft)
Last Update:
4:00 am EDT Oct 4, 2025
Forecast Valid:
10am EDT Oct 4, 2025-6pm EDT Oct 10, 2025
 
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