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.

Light Rain Fog/Mist

48°F

9°C

Humidity 96%
Wind Speed N 13 mph
Barometer 29.54 in (1000.2 mb)
Dewpoint 47°F (8°C)
Visibility 5.00 mi
Wind Chill43°F (6°C)
Last update 12 Nov 3:51 am EST
Extended Forecast for

Gahanna OH

  • Overnight

    Overnight: Rain. Low around 45. North wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before 3pm. Cloudy, with a high near 53. North wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain, mainly before 1am. Low around 37. North wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain

  • Friday

    Friday: A slight chance of rain after 4pm. Mostly cloudy, with a high near 45. Northwest wind 9 to 11 mph. Chance of precipitation is 20%.

    High: 45 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain before 10pm, then a slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 30. Northwest wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: A slight chance of rain after 1pm. Mostly sunny, with a high near 44. Chance of precipitation is 20%.

    High: 44 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain. Low around 45. North wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly before 3pm. Cloudy, with a high near 53. North wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain, mainly before 1am. Low around 37. North wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A slight chance of rain after 4pm. Mostly cloudy, with a high near 45. Northwest wind 9 to 11 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of rain before 10pm, then a slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 30. Northwest wind 6 to 8 mph. Chance of precipitation is 20%.
Saturday
A slight chance of rain after 1pm. Mostly sunny, with a high near 44. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Clear, with a low around 29.
Wednesday
Sunny, with a high near 54.
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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:
4:00 am EST Nov 12, 2026
Forecast Valid:
4am EST Nov 12, 2026-6pm EST Nov 18, 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