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

54°F

12°C

Humidity 72%
Wind Speed N 14 mph
Barometer 29.85 in (1010.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 21 Mar 12:51 am EDT
Extended Forecast for

Gahanna OH

  • Overnight

    Overnight: Mostly cloudy, with a low around 43. North wind around 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 67. Light and variable wind.

    High: 67 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. South wind 3 to 6 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 81. Southwest wind 6 to 14 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 38. North wind around 13 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 8am. Partly sunny, with a high near 49. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 43. North wind around 6 mph.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 67. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 52. South wind 3 to 6 mph.
Sunday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 81. Southwest wind 6 to 14 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 38. North wind around 13 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers before 8am. Partly sunny, with a high near 49. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly cloudy, with a high near 70.
Thursday Night
Showers likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Friday
A chance of showers. Partly sunny, with a high near 50. 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:
7:09 pm EDT Mar 20, 2026
Forecast Valid:
1am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation