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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
85°F
29°C
| Humidity | 59% |
| Wind Speed | S 5 mph |
| Barometer | 30.02 in (1015.7 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 4 Jul 10:51 am EDT |
Extended Forecast for
Gahanna OH
Heat Advisory July 4, 11:44am until July 4, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
Independence Day
High: 93 °F
Chance
T-stormsTonight
Low: 72 °F
Chance
T-storms then
Chance
ShowersSunday
High: 88 °F
Partly Sunny
then Chance
T-stormsSunday Night
Low: 70 °F
Showers
LikelyMonday
High: 87 °F
Chance
T-storms then
Showers
LikelyMonday Night
Low: 69 °F
Showers
Likely then
Chance
ShowersTuesday
High: 86 °F
Partly Sunny
then Chance
ShowersTuesday Night
Low: 69 °F
Chance
Showers then
Partly Cloudy
Detailed Forecast
Independence Day
A chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 93. Heat index values as high as 101. Southwest wind 5 to 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 72. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Tuesday Night
A chance of showers before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Gahanna OH
40.01°N 82.88°W (Elev. 797 ft)
40.01°N 82.88°W (Elev. 797 ft)
4:00 am EDT Jul 4, 2026
11am EDT Jul 4, 2026-6pm EDT Jul 10, 2026
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