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

72°F

22°C

Humidity 52%
Wind Speed NE 13 mph
Barometer 30.28 in (1025.0 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 2 Aug 12:51 pm EDT
Extended Forecast for

Gahanna OH

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 79. Northeast wind around 10 mph.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Northeast wind 6 to 8 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. East wind around 7 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. East wind 3 to 6 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 84. East wind 3 to 7 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 79. Northeast wind around 10 mph.
Tonight
Mostly clear, with a low around 57. Northeast wind 6 to 8 mph.
Sunday
Sunny, with a high near 83. East wind around 7 mph.
Sunday Night
Mostly clear, with a low around 60. East wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 84. East wind 3 to 7 mph.
Monday Night
Mostly cloudy, with a low around 64.
Tuesday
Partly sunny, with a high near 86.
Tuesday Night
Mostly cloudy, with a low around 66.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
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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 Aug 2, 2025
Forecast Valid:
1pm EDT Aug 2, 2025-6pm EDT Aug 8, 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