Gahanna, OH Weather & Growing Conditions
Today
66°F
Rain
Rain before 10am, then rain and a slight chance of thunderstorms. Cloudy, with a high near 66. South wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Rain | 14 to 17 mph S | 99% |
| Tonight | 53°F | Light Rain Likely then Mostly Cloudy | 6 to 16 mph SW | 71% |
| Thursday | 64°F | Mostly Sunny | 6 to 13 mph SW | 0% |
| Thursday Night | 46°F | Partly Cloudy | 2 to 7 mph SW | 0% |
| Friday | 58°F | Chance Light Rain | 2 to 9 mph W | 46% |
| Friday Night | 39°F | Chance Light Rain then Mostly Cloudy | 9 mph NW | 46% |
| Saturday | 53°F | Slight Chance Light Rain | 10 mph NW | 15% |
| Saturday Night | 35°F | Partly Cloudy | 3 to 7 mph NW | 8% |
| Sunday | 56°F | Mostly Sunny | 3 to 12 mph W | 4% |
| Sunday Night | 35°F | Mostly Clear | 5 to 9 mph W | 4% |
| Monday | 58°F | Sunny | 5 to 9 mph W | 4% |
| Monday Night | 37°F | Mostly Clear | 7 mph SW | 2% |
| Tuesday | 63°F | Sunny | 6 to 10 mph W | 1% |
| Tuesday Night | 37°F | Mostly Clear | 2 to 7 mph NW | 1% |
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 Nov 4, 2026.