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.

Fair

58°F

14°C

Humidity 70%
Wind Speed E 3 mph
Barometer 30.24 in (1023.8 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 10 Oct 7:51 am EDT
Extended Forecast for

Gahanna OH

  • Today

    Today: Mostly cloudy, with a high near 75. Southeast wind 8 to 10 mph, with gusts as high as 25 mph.

    High: 75 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 58. East wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 11am. The rain could be heavy at times. High near 70. East wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 70 °F

    Heavy Rain
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59. Northwest wind around 7 mph.

    Low: 59 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 79. Southwest wind 3 to 7 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly sunny, with a high near 71. Chance of precipitation is 30%.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 75. Southeast wind 8 to 10 mph, with gusts as high as 25 mph.
Tonight
Showers and possibly a thunderstorm. Low around 58. East wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers, mainly before 11am. The rain could be heavy at times. High near 70. East wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Mostly cloudy, with a low around 59. Northwest wind around 7 mph.
Columbus Day
Mostly sunny, with a high near 79. Southwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 64.
Tuesday
A chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 71. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Gahanna OH
 40.01°N 82.88°W (Elev. 797 ft)
Last Update:
4:00 am EDT Oct 10, 2026
Forecast Valid:
8am EDT Oct 10, 2026-6pm EDT Oct 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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