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 68%
Wind Speed S 9 mph
Barometer 29.91 in (1012.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 15 Apr 2:51 am EDT
Extended Forecast for

Gahanna OH

  • Overnight

    Overnight: A slight chance of showers and thunderstorms between 4am and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 83. Southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 65. South wind 8 to 13 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 80. Southwest wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 60. Southwest wind 6 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Partly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms between 4am and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 83. Southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 65. South wind 8 to 13 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 80. Southwest wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 60. Southwest wind 6 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 78.
Friday Night
A chance of showers after 2am. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Sunday
A chance of showers before 2pm. Mostly sunny, with a high near 57. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Mostly sunny, with a high near 72.
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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:
1:31 am EDT Apr 15, 2026
Forecast Valid:
3am EDT Apr 15, 2026-6pm EDT Apr 21, 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