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

29°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 30.24 in (1024.7 mb)
Dewpoint 28°F (-2°C)
Visibility 7.00 mi
Last update 24 Nov 6:51 am EST
Extended Forecast for

Gahanna OH

  • Today

    Today: Partly sunny, with a high near 55. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Rain, mainly after 2am. Low around 44. Southeast wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Mostly Cloudy
    then Rain

  • Tuesday

    Tuesday: Rain. High near 58. South wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain. Cloudy, with a low around 43. Southwest wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance Rain

  • Wednesday

    Wednesday: A slight chance of rain before 1pm. Mostly cloudy, with a high near 55. Breezy, with a west wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    High: 55 °F

    Slight Chance
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 55. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Rain, mainly after 2am. Low around 44. Southeast wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 58. South wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of rain. Cloudy, with a low around 43. Southwest wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A slight chance of rain before 1pm. Mostly cloudy, with a high near 55. Breezy, with a west wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 28.
Thanksgiving Day
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 20.
Saturday
A chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Sunday
A chance of rain. Cloudy, with a high near 47. Chance of precipitation is 50%.
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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:
6:15 am EST Nov 24, 2025
Forecast Valid:
7am EST Nov 24, 2025-6pm EST Nov 30, 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