Current conditions at

John Glenn Columbus International Airport (KCMH)

Lat: 39.99°NLon: 82.88°WElev: 807ft.

Partly Cloudy

40°F

4°C

Humidity 47%
Wind Speed SE 3 mph
Barometer 30.28 in (1025.5 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 21 Apr 4:51 am EDT
Extended Forecast for

2 Miles SSW Gahanna OH

Frost Advisory April 21, 05:10am until April 21, 10:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory April 21, 05:10am until April 21, 10:00am

    NOW until 10:00am Tue

    Frost Advisory

  • Today

    High: 74 °F

    Patchy Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms between 11pm and 3am, then showers likely and possibly a thunderstorm after 3am.  Increasing clouds, with a low around 57. Southwest wind 10 to 15 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 5pm.  Partly sunny, with a high near 73. West wind around 10 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. West wind around 6 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm.  Mostly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 8pm.  Mostly cloudy, with a low around 58. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

Detailed Forecast

Today
Patchy frost before 8am. Otherwise, mostly sunny, with a high near 74. Southeast wind 7 to 12 mph becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Tonight
A chance of showers and thunderstorms between 11pm and 3am, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 57. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 73. West wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 54. West wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Friday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Saturday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 50.
Monday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Gahanna OH
 39.99°N 82.88°W (Elev. 814 ft)
4:00 am EDT Apr 21, 2026
5am EDT Apr 21, 2026-6pm EDT Apr 27, 2026
 
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Additional Resources

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