Old Fort, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Old Fort, a community in Seneca County, Ohio.
Tonight
62°F
Partly Cloudy then Slight Chance Light Rain
A slight chance of rain after 5am. Partly cloudy, with a low around 62. South wind 12 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
7-day forecast for Old Fort
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Partly Cloudy then Slight Chance Light Rain | 12 to 17 mph S | 24% |
| Wednesday | 69°F | Light Rain | 17 to 21 mph S | 82% |
| Wednesday Night | 51°F | Light Rain Likely | 9 to 20 mph SW | 61% |
| Thursday | 64°F | Partly Sunny | 10 to 17 mph SW | 2% |
| Thursday Night | 47°F | Mostly Cloudy | 3 to 9 mph SW | 12% |
| Friday | 58°F | Chance Light Rain | 3 to 9 mph NW | 35% |
| Friday Night | 40°F | Chance Light Rain | 9 mph NW | 35% |
| Saturday | 53°F | Slight Chance Light Rain | 7 to 10 mph NW | 20% |
| Saturday Night | 34°F | Partly Cloudy | 2 to 6 mph W | 11% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Light Rain | 3 to 13 mph SW | 15% |
| Sunday Night | 35°F | Slight Chance Light Rain then Partly Cloudy | 7 to 10 mph W | 15% |
| Monday | 58°F | Mostly Sunny | 7 to 13 mph W | 14% |
| Monday Night | 39°F | Partly Cloudy | 12 mph SW | 14% |
| Tuesday | 61°F | Mostly Sunny | 10 to 14 mph W | 4% |
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 Nov 4, 2026.