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

70°F

21°C

Humidity 79%
Wind Speed S 8 mph
Barometer 29.82 in (1009.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 16 Oct 4:51 am EDT
Extended Forecast for

Gahanna OH

  • Overnight

    Overnight: A chance of showers. Mostly cloudy, with a low around 66. Southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Chance
    Showers

  • Friday

    Friday: Showers, mainly before 3pm. Temperature falling to around 57 by 5pm. Southwest wind 13 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F⇓

    Showers

  • Friday Night

    Friday Night: A chance of showers between 8pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 42. North wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 54. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 4am. Otherwise, clear, with a low around 33. North wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, sunny, with a high near 61.

    High: 61 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers. Mostly cloudy, with a low around 66. Southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, mainly before 3pm. Temperature falling to around 57 by 5pm. Southwest wind 13 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers between 8pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 42. North wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 54. North wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Areas of frost after 4am. Otherwise, clear, with a low around 33. North wind around 5 mph becoming calm in the evening.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 61.
Sunday Night
Clear, with a low around 38.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gahanna OH
 40.01°N 82.88°W (Elev. 797 ft)
Last Update:
4:00 am EDT Oct 16, 2026
Forecast Valid:
5am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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