Gahanna, OH Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Gahanna, OH.

0 Active Alerts for Gahanna

✅
No active weather alerts for Gahanna at this time.
Subscribe to receive instant notifications when alerts are issued.

Current Conditions — Gahanna, OH

COLUMBUS/ST UNIV (KOSU)

Clear

75.2 F
Humidity:47%
Wind Speed: 11.5 mph
Barometer:29.92 in
Dewpoint:53.6 F
Visibility:10.00 mi
Precip:--
Heat Index:74.7 F
Wind Chill:NA
Apr 27 2026, 05:45 PM EDT
Severe Weather Alerts
Severe Weather
 		Daily Weather Forecast
Daily Forecast
 		Observation Alert Monitoring
Observations
 		Storm Report Monitoring
Storm Reports

5-Day Forecast — Gahanna, OH

Monday

High 80 °F
Mostly Cloudy
Monday
Night
Low 59 °F
T-storms
Tuesday

High 77 °F
Chance of T-storms
Tuesday
Night
Low 55 °F
T-storms Likely
Wednesday

High 64 °F
T-storms
Wednesday
Night
Low 44 °F
Rain Showers
Thursday

High 62 °F
Partly Sunny
Thursday
Night
Low 42 °F
Partly Cloudy
Friday

High 57 °F
Slight Chance of Rain Showers

Detailed Forecast — Gahanna, OH

Monday
Mostly Cloudy. High near 80°F. Wind 10 to 12 mph, with gusts as high as 18 mph.
Monday Night
Thunderstorms. Low around 59°F. Wind 12 to 18 mph, with gusts as high as 30 mph.
Tuesday
Chance of Thunderstorms. High near 77°F. Wind 8 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Thunderstorms Likely. Low around 55°F. Wind 3 to 6 mph, with gusts as high as 13 mph.
Wednesday
Thunderstorms. High near 64°F. Wind 6 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Rain Showers. Low around 44°F. Wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday
Partly Sunny. High near 62°F. Wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Partly Cloudy. Low around 42°F. Wind 3 to 7 mph, with gusts as high as 14 mph.
Friday
Slight Chance of Rain Showers. High near 57°F. Wind 5 to 9 mph, with gusts as high as 15 mph.
Friday Night
Mostly Cloudy. Low around 39°F. Wind 5 to 7 mph, with gusts as high as 14 mph.
Saturday
Partly Sunny. High near 57°F. Wind 6 to 12 mph, with gusts as high as 18 mph.
Saturday Night
Partly Sunny. Low around 39°F. Wind 5 to 7 mph, with gusts as high as 14 mph.
Sunday
Partly Sunny. High near 64°F. Wind 6 to 12 mph, with gusts as high as 20 mph.
OH Radar
Current Radar • OH
Day 1 Outlook • April 27, 2026

Observation History — Gahanna, OH

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
05:45 PM EDT 11.5 10.00 Clear -- 75.2 53.6 47% NA 74.7 29.92 1013.2
05:35 PM EDT 10.4 10.00 Clear -- 75.2 53.6 47% NA 74.7 29.92 1013.2
05:30 PM EDT 10.00 Clear -- 75.2 53.6 47% NA 74.7 29.92 1013.2
05:20 PM EDT 12.7 10.00 Clear -- 75.2 53.6 47% NA 74.7 29.93 1013.5
05:15 PM EDT 11.5 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.93 1013.5
05:10 PM EDT 10.4 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.93 1013.5
05:05 PM EDT 10.4 G 16.1 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.93 1013.5
05:00 PM EDT 12.7 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.93 1013.5
04:50 PM EDT 10.4 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.93 1013.5
04:45 PM EDT S 12.7 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.94 1013.9
04:35 PM EDT S 12.7 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.94 1013.9
04:30 PM EDT 11.5 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.94 1013.9
04:25 PM EDT SE 11.5 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.94 1013.9
04:20 PM EDT S 12.7 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.94 1013.9
04:10 PM EDT 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.94 1013.9
04:05 PM EDT 13.8 G 20.7 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.94 1013.9
04:00 PM EDT 11.5 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.94 1013.9
03:50 PM EDT SE 9.2 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.95 1014.2
03:45 PM EDT 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.95 1014.2
03:35 PM EDT SE 10.4 G 17.3 10.00 Clear -- 75.2 53.6 47% NA 74.7 29.94 1013.9
03:30 PM EDT 11.5 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.95 1014.2
03:25 PM EDT SE 12.7 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.95 1014.2
03:20 PM EDT 13.8 10.00 Clear -- 75.2 53.6 47% NA 74.7 29.96 1014.6
03:15 PM EDT SE 12.7 10.00 Clear -- 75.2 53.6 47% NA 74.7 29.96 1014.6

Regional Weather Observation

COLUMBUS/ST UNIV (KOSU)

Clear
75.2 F

DELAWARE (KDLZ)

Clear
73.4 F

MARYSVILLE (KMRT)

Clear
75.2 F

COLUMBUS (KCMH)

Clear
75.2 F

MARION (KMNN)

Clear
71.6 F

URBANA (KI74)

Light Rain
73.4 F
🔔    Sign-up to receive daily weather forecasts by email or text - subscribe