Galena, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Galena, a village in Delaware County, Ohio.
Tonight
66°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 11pm, then showers and thunderstorms likely. Cloudy, with a low around 66. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Galena
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 7 mph S | 72% |
| Sunday | 80°F | Showers And Thunderstorms | 5 to 12 mph W | 78% |
| Sunday Night | 56°F | Showers And Thunderstorms Likely | 12 mph NE | 72% |
| Monday | 69°F | Chance Rain Showers | 15 mph NE | 38% |
| Monday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Tuesday | 70°F | Chance Rain Showers | 13 mph NE | 26% |
| Tuesday Night | 57°F | Rain Showers Likely | 14 mph NE | 64% |
| Wednesday | 69°F | Rain Showers Likely | 15 mph E | 73% |
| Wednesday Night | 55°F | Showers And Thunderstorms Likely | 12 to 15 mph E | 73% |
| Thursday | 69°F | Chance Rain Showers | 9 to 13 mph E | 40% |
| Thursday Night | 52°F | Mostly Cloudy | 6 to 9 mph NE | 8% |
| Friday | 71°F | Mostly Sunny | 7 to 10 mph NE | 9% |
| Friday Night | 51°F | Partly Cloudy | 6 to 10 mph NE | 9% |
| Saturday | 73°F | Mostly Sunny | 6 to 9 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Galena (40.225, -82.876). Updated through the day.
Growing snapshot for Galena
Last spring frost
Apr 22
First fall frost
Oct 24
Growing season
183 days
Hardiness zone
6b
More local growing data for Galena: nearby ZIP 43021 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Westerville, Oh (6.5 mi from Galena). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.