Gahanna, OH Weather & Growing Conditions
Today
86°F
Sunny
Sunny, with a high near 86. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 5 mph E | 0% |
| Tonight | 67°F | Mostly Clear | 5 mph NE | 2% |
| Wednesday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph S | 40% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 5 mph S | 30% |
| Thursday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph SW | 45% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph SW | 65% |
| Friday | 85°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 8 mph SW | 73% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 7 mph SW | 73% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 43% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 43% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 10 mph SW | 21% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 21% |
| Monday | 89°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 6 to 12 mph SW | 36% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 38% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gahanna, OH
Last spring frost
Apr 18
First fall frost
Oct 27
Growing season
191 days
Hardiness zone
6b
Explore more for Gahanna, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Columbus Port Columbus Intl Ap, Oh (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.