Jefferson, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Jefferson, a village in Ashtabula County, Ohio.

Tonight

55°F

Mostly Cloudy

Mostly cloudy, with a low around 55. East wind around 3 mph.

7-day forecast for Jefferson

When	Temp	Forecast	Wind	Precip
Tonight	55°F	Mostly Cloudy	3 mph E	1%
Saturday	72°F	Partly Sunny then Chance Rain Showers	6 mph E	28%
Saturday Night	61°F	Showers And Thunderstorms	6 mph SE	80%
Sunday	70°F	Showers And Thunderstorms	5 to 14 mph W	79%
Sunday Night	54°F	Chance Rain Showers then Mostly Cloudy	9 to 14 mph NE	50%
Monday	65°F	Mostly Cloudy	12 to 16 mph NE	14%
Monday Night	52°F	Chance Rain Showers	12 to 16 mph NE	37%
Tuesday	65°F	Chance Rain Showers	13 to 17 mph E	37%
Tuesday Night	52°F	Chance Showers And Thunderstorms	13 to 17 mph E	54%
Wednesday	64°F	Showers And Thunderstorms Likely	15 mph E	56%
Wednesday Night	51°F	Showers And Thunderstorms Likely	9 to 14 mph SE	56%
Thursday	65°F	Chance Rain Showers	12 mph E	43%
Thursday Night	52°F	Slight Chance Rain Showers	3 to 10 mph NE	20%
Friday	67°F	Partly Sunny then Slight Chance Rain Showers	6 to 12 mph NE	16%

Forecast source: National Weather Service (api.weather.gov) for Jefferson (41.738, -80.769). Updated through the day.

Growing snapshot for Jefferson

Last spring frost

May 2

First fall frost

Oct 21

Growing season

171 days

Hardiness zone

More local growing data for Jefferson: nearby ZIP 44047 weather · frost dates · planting calendar · Ohio frost dates

Nearby towns & communities

Andover Ashtabula Austinburg Conneaut Edgewood Geneva Geneva-on-the-Lake Kingsville North Kingsville Orwell Roaming Shores Rock Creek Saybrook-on-the-Lake

All Ohio locations ›

Climate data from the nearest NOAA station, Ashtabula Co Ap, Oh (4 mi from Jefferson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.