NimbocastGahanna, OH Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Gahanna, Franklin County, Ohio.
Updated Jul 29, 2026, 3:19 PM local time · Radar refreshes every 5 minutes
☀️
Gahanna
77°F
Wind 11 mph
Humidity 57%
Cloud cover 13%
UV index 7
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Gahanna, OH.
Gahanna weather radar
Light
Heavy
Next 24 hours
Now
☀️
77°F
4 PM
🌤️
78°F
5 PM
🌤️
78°F
6 PM
☀️
78°F
7 PM
☀️
77°F
8 PM
☀️
73°F
9 PM
☀️
70°F
10 PM
☀️
68°F
11 PM
☀️
66°F
12 AM
☀️
65°F
1 AM
☀️
63°F
2 AM
☀️
62°F
3 AM
☀️
61°F
4 AM
☀️
60°F
5 AM
☀️
59°F
6 AM
☀️
58°F
7 AM
☀️
58°F
8 AM
☀️
62°F
9 AM
☀️
67°F
10 AM
☀️
71°F
11 AM
☀️
74°F
12 PM
☀️
77°F
1 PM
🌤️
79°F
2 PM
🌤️
81°F
7-day forecast
Today
Jul 29
☁️
78°F
63°F
Thu
Jul 30
🌤️
83°F
58°F
Fri
Jul 31
☁️
86°F
64°F
1%
Sat
Aug 1
⛈️
82°F
68°F
56%
Sun
Aug 2
⛈️
73°F
65°F
56%
Mon
Aug 3
☀️
80°F
61°F
18%
Tue
Aug 4
☀️
84°F
60°F
21%
Weather near Gahanna
4 mi
Whitehall, OH6 mi
Reynoldsburg, OH7 mi
Columbus, OH8 mi
Westerville, OH10 mi
Upper Arlington, OH11 mi
Pickerington, OH11 mi
Pataskala, OH14 mi
Dublin, OH
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.