Jefferson, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jefferson, a village in Ashtabula County, Ohio.
Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. South wind around 2 mph.
7-day forecast for Jefferson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Clear | 2 mph S | 0% |
| Tuesday | 83°F | Patchy Fog then Sunny | 3 mph SE | 0% |
| Tuesday Night | 62°F | Mostly Clear | 5 mph E | 0% |
| Wednesday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 32% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms | 1 to 5 mph E | 30% |
| Thursday | 85°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 mph SW | 35% |
| Thursday Night | 65°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 58% |
| Friday | 82°F | Showers And Thunderstorms Likely | 6 mph SW | 60% |
| Friday Night | 64°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph SW | 60% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 27% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 26% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms | 6 to 12 mph SW | 19% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 9 mph SW | 40% |
| Monday | 85°F | Chance Rain Showers | 8 to 12 mph SW | 44% |
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 Aug 4, 2026.