National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

John Glenn Columbus International Airport (KCMH)

Lat: 39.99°NLon: 82.88°WElev: 807ft.

Mostly Cloudy

55°F

13°C

Humidity 67%
Wind Speed SE 3 mph
Barometer 29.72 in (1006.4 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 22 Mar 5:51 am EDT
Extended Forecast for

Gahanna OH

  • Today

    Today: A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 82. Southwest wind 8 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then a slight chance of showers between 1am and 3am. Low around 36. North wind around 14 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 48. North wind 11 to 13 mph.

    High: 48 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. North wind 5 to 7 mph becoming light and variable after midnight.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. Light and variable wind becoming south around 6 mph in the morning.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 82. Southwest wind 8 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 1am, then a slight chance of showers between 1am and 3am. Low around 36. North wind around 14 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 48. North wind 11 to 13 mph.
Monday Night
Partly cloudy, with a low around 30. North wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 54. Light and variable wind becoming south around 6 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 61.
Wednesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Thursday
A chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Thursday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gahanna OH
 40.04°N 82.87°W (Elev. 833 ft)
Last Update:
4:00 am EDT Mar 22, 2026
Forecast Valid:
6am EDT Mar 22, 2026-6pm EDT Mar 28, 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