Current conditions at

John Glenn Columbus International Airport (KCMH)

Lat: 39.99°NLon: 82.88°WElev: 807ft.

Overcast

87°F

31°C

Humidity 50%
Wind Speed W 13 mph
Barometer 30.07 in (1017.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 31 Aug 3:51 pm EDT
Extended Forecast for

Columbus OHSimilar City Names

Heat Advisory September 1, 02:00pm until September 2, 11:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Partly cloudy, with a low around 73. West wind 5 to 7 mph becoming light and variable  in the evening.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94. Heat index values as high as 102. West wind 5 to 9 mph.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Heat index values as high as 102. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Southwest wind 3 to 5 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm.  Sunny, with a high near 95. Chance of precipitation is 20%.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 8am.  Partly sunny, with a high near 89. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 73. West wind 5 to 7 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 94. Heat index values as high as 102. West wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 96. Heat index values as high as 102. Calm wind becoming southwest 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 75. Southwest wind 3 to 5 mph.
Thursday
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 73.
Friday
A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 89. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 62.
Labor Day
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Columbus OHSimilar City Names
 39.98°N 83°W (Elev. 784 ft)
4:00 pm EDT Aug 31, 2026
4pm EDT Aug 31, 2026-6pm EDT Sep 7, 2026
 
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Additional Resources

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