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

43°F

6°C

Humidity 89%
Wind Speed S 7 mph
Barometer 30.19 in (1022.5 mb)
Dewpoint 40°F (4°C)
Visibility 7.00 mi
Wind Chill39°F (4°C)
Last update 3 Nov 8:51 am EST
Extended Forecast for

Gahanna OH

  • Today

    Today: Mostly sunny, with a high near 58. West wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. West wind 5 to 9 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. South wind 6 to 9 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Chance Rain
    then Rain
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 58. West wind 9 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 35. West wind 5 to 9 mph.
Tuesday
Mostly sunny, with a high near 60. Calm wind becoming southwest 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 43. South wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 66. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Friday Night
A chance of rain before 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 58.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.
Sunday
A chance of rain. Partly sunny, with a high near 53. 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 EST Nov 3, 2025
Forecast Valid:
9am EST Nov 3, 2025-6pm EST Nov 9, 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