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Hazardous Weather Conditions
Current conditions at
John Glenn Columbus International Airport (KCMH)
Lat: 39.99°NLon: 82.88°WElev: 807ft.
Mostly Cloudy
77°F
25°C
| Humidity | 77% |
| Wind Speed | Calm |
| Barometer | 29.96 in (1013.9 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 27 Jun 2:51 pm EDT |
Extended Forecast for
Gahanna OH
This Afternoon
High: 81 °F
Chance
ShowersTonight
Low: 67 °F
Chance
Showers then
Mostly CloudySunday
High: 86 °F
Slight Chance
Showers then
Slight Chance
T-stormsSunday Night
Low: 69 °F
Partly Cloudy
Monday
High: 91 °F
Mostly Sunny
Monday Night
Low: 74 °F
Mostly Clear
Tuesday
High: 95 °F
Sunny
Tuesday Night
Low: 75 °F
Mostly Clear
Wednesday
High: 96 °F
Sunny
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms before 4pm, then a slight chance of showers between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Cloudy, with a high near 81. Light southwest wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 8pm. Cloudy, with a low around 67. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers before noon, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Calm wind. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 69. Light and variable wind.
Monday
Mostly sunny, with a high near 91. Calm wind becoming south around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny, with a high near 96.
Thursday Night
Mostly clear, with a low around 77.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 95. Chance of precipitation is 40%.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Gahanna OH
40.04°N 82.87°W (Elev. 833 ft)
40.04°N 82.87°W (Elev. 833 ft)
2:34 pm EDT Jun 27, 2026
2pm EDT Jun 27, 2026-6pm EDT Jul 3, 2026
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