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

65°F

18°C

Humidity 59%
Wind Speed SW 3 mph
Barometer 29.98 in (1014.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 20 Jun 2:51 am EDT
Extended Forecast for

Gahanna OH

  • Overnight

    Overnight: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 10am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Light southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. West wind 5 to 8 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 81. Light and variable wind.

    High: 81 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 64. East wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers before 8pm. Partly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 57. Calm wind.
Saturday
A slight chance of showers between 10am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Light southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 58. West wind 5 to 8 mph becoming calm in the evening.
Sunday
Increasing clouds, with a high near 81. Light and variable wind.
Sunday Night
Showers and possibly a thunderstorm. Low around 64. East wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers before 8pm. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. 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:
2:19 am EDT Jun 20, 2026
Forecast Valid:
3am EDT Jun 20, 2026-6pm EDT Jun 26, 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