Current conditions at

John Glenn Columbus International Airport (KCMH)

Lat: 39.99°NLon: 82.88°WElev: 807ft.

Partly Cloudy

28°F

-2°C

Humidity 63%
Wind Speed N 10 mph
Barometer 30.29 in (1026.6 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 12 Feb 9:51 am EST
Extended Forecast for

Gahanna OH

  • Today

    Today: Partly sunny, with a high near 35. Northwest wind 6 to 8 mph.

    High: 35 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 21. Light and variable wind.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 41. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. Southwest wind 3 to 5 mph.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 48. Light southwest wind.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 1am.  Mostly cloudy, with a low around 36. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: A chance of rain.  Mostly cloudy, with a high near 49. Chance of precipitation is 40%.

    High: 49 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 35. Northwest wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 21. Light and variable wind.
Friday
Mostly sunny, with a high near 41. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 27. Southwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 48. Light southwest wind.
Saturday Night
A chance of rain after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of rain. Mostly cloudy, with a high near 49. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 33.
Washington's Birthday
Partly sunny, with a high near 52.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 60. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Gahanna OH
 40.01°N 82.88°W (Elev. 797 ft)
4:00 am EST Feb 12, 2026
9am EST Feb 12, 2026-6pm EST Feb 18, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database