Old Fort, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Old Fort, a community in Seneca County, Ohio.
Overnight
57°F
Mostly Cloudy
Mostly cloudy, with a low around 57. East wind around 3 mph.
7-day forecast for Old Fort
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Mostly Cloudy | 3 mph E | 3% |
| Saturday | 76°F | Rain Showers Likely | 6 mph E | 62% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 6 mph S | 73% |
| Sunday | 74°F | Showers And Thunderstorms | 6 to 14 mph NW | 88% |
| Sunday Night | 56°F | Chance Rain Showers | 14 mph NE | 44% |
| Monday | 66°F | Slight Chance Rain Showers | 16 mph NE | 22% |
| Monday Night | 52°F | Slight Chance Rain Showers | 12 to 16 mph NE | 22% |
| Tuesday | 64°F | Slight Chance Rain Showers | 12 to 17 mph NE | 15% |
| Tuesday Night | 53°F | Rain Showers Likely | 14 to 18 mph E | 58% |
| Wednesday | 66°F | Rain Showers Likely | 13 to 16 mph E | 58% |
| Wednesday Night | 53°F | Rain Showers Likely | 8 to 13 mph E | 55% |
| Thursday | 67°F | Slight Chance Rain Showers | 8 to 12 mph NE | 19% |
| Thursday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 17% |
| Friday | 68°F | Mostly Sunny | 6 to 13 mph NE | 13% |
Forecast source: National Weather Service (api.weather.gov) for Old Fort (41.242, -83.151). Updated through the day.
Growing snapshot for Old Fort
Last spring frost
Apr 21
First fall frost
Oct 24
Growing season
183 days
More local growing data for Old Fort: nearby ZIP 44861 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Attica
Bascom
Bettsville
Bloomville
Flat Rock
Fort Seneca
Fostoria
Green Springs
Kansas
McCutchenville
New Riegel
Republic
Tiffin
Climate data from the nearest NOAA station, Fremont Ag Stn, Oh (5 mi from Old Fort). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.