Hazardous Weather Conditions
Current conditions at
John Glenn Columbus International Airport (KCMH)
Lat: 39.99°NLon: 82.88°WElev: 807ft.
Mostly Cloudy
91°F
33°C
| Humidity | 50% |
| Wind Speed | SW 9 mph |
| Barometer | 30.03 in (1016.2 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 97°F (36°C) |
| Last update | 1 Sep 6:51 pm EDT |
Extended Forecast for
Columbus OH
Heat Advisory September 1, 07:38pm until September 3, 08:00pm
NOW until 8:00pm Thu

Heat Advisory
Tonight

Low: 73 °F
Mostly Clear
Wednesday

High: 94 °F
Sunny
Wednesday Night

Low: 75 °F
Mostly Clear
Thursday
High: 90 °F
Chance
Showers then
Chance
T-stormsThursday Night

Low: 74 °F
Showers
LikelyFriday
High: 89 °F
Chance
Showers then
Chance
T-stormsFriday Night

Low: 70 °F
Chance
T-stormsSaturday

High: 85 °F
Chance
T-storms
Detailed Forecast
Tonight
Mostly clear, with a low around 73. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 94. Heat index values as high as 103. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 90. West wind 5 to 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 74. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Saturday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 63.
Labor Day
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST
Point Forecast:
Columbus OH
40°N 82.99°W (Elev. 850 ft)
40°N 82.99°W (Elev. 850 ft)
4:00 pm EDT Sep 1, 2026
7pm EDT Sep 1, 2026-6pm EDT Sep 8, 2026



