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.

Light Rain Fog/Mist

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 29.96 in (1015.0 mb)
Dewpoint 41°F (5°C)
Visibility 0.75 mi
Last update 15 Feb 8:51 am EST
Extended Forecast for

2 Miles SSW Gahanna OH

  • Today

    Today: Rain, mainly before 11am. High near 47. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain then
    Slight Chance
    Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Cloudy, then gradually becoming mostly sunny, with a high near 52. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 52 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. South wind 3 to 7 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56. South wind 3 to 8 mph.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 63. Breezy. Chance of precipitation is 60%.

    High: 63 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Rain, mainly before 11am. High near 47. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Mostly cloudy, with a low around 32. Calm wind.
Washington's Birthday
Cloudy, then gradually becoming mostly sunny, with a high near 52. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 35. South wind 3 to 7 mph.
Tuesday
Mostly cloudy, with a high near 56. South wind 3 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 63. Breezy. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Rain likely. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Friday
A chance of rain. Partly sunny, with a high near 56. Chance of precipitation is 30%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Gahanna OH
 39.99°N 82.88°W (Elev. 814 ft)
Last Update:
6:05 am EST Feb 15, 2026
Forecast Valid:
9am EST Feb 15, 2026-6pm EST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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