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.

Overcast

59°F

15°C

Humidity 51%
Wind Speed Calm
Barometer 29.95 in (1014.0 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 18 Oct 12:51 am EDT
Extended Forecast for

Gahanna OH

  • Overnight

    Overnight: Mostly cloudy, with a low around 51. Southeast wind around 6 mph.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 83. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 83 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 61. South wind 10 to 14 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 7am. High near 72. Breezy, with a south wind 18 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 43. West wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Monday

    Monday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: A chance of rain after 2am. Partly cloudy, with a low around 47. Chance of precipitation is 30%.

    Low: 47 °F

    Clear then
    Chance Rain

  • Tuesday

    Tuesday: A chance of rain before 2pm. Mostly sunny, with a high near 65. Breezy. Chance of precipitation is 30%.

    High: 65 °F

    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 51. Southeast wind around 6 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 83. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.
Saturday Night
A slight chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 61. South wind 10 to 14 mph. Chance of precipitation is 20%.
Sunday
Showers, mainly after 7am. High near 72. Breezy, with a south wind 18 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 43. West wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Sunny, with a high near 63.
Monday Night
A chance of rain after 2am. Partly cloudy, with a low around 47. Chance of precipitation is 30%.
Tuesday
A chance of rain before 2pm. Mostly sunny, with a high near 65. Breezy. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 64.
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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:
1:16 am EDT Oct 18, 2025
Forecast Valid:
1am EDT Oct 18, 2025-6pm EDT Oct 24, 2025
 
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