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
6a
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
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.