Jefferson, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jefferson, a village in Ashtabula County, Ohio.
Overnight
58°F
Mostly Clear
Mostly clear, with a low around 58. South wind around 12 mph.
7-day forecast for Jefferson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Mostly Clear | 12 mph S | 2% |
| Wednesday | 72°F | Mostly Cloudy then Light Rain | 15 mph S | 87% |
| Wednesday Night | 55°F | Light Rain | 7 to 16 mph SW | 94% |
| Thursday | 64°F | Partly Sunny | 7 to 14 mph SW | 3% |
| Thursday Night | 45°F | Mostly Cloudy then Slight Chance Rain Showers | 3 to 7 mph SW | 16% |
| Friday | 58°F | Rain Showers Likely | 5 to 8 mph SW | 60% |
| Friday Night | 40°F | Rain Showers | 5 to 9 mph W | 77% |
| Saturday | 51°F | Rain Showers Likely | 9 to 14 mph W | 58% |
| Saturday Night | 35°F | Chance Light Rain | 6 to 9 mph NW | 55% |
| Sunday | 52°F | Slight Chance Light Rain | 7 to 14 mph W | 15% |
| Sunday Night | 34°F | Slight Chance Light Rain | 9 mph W | 19% |
| Monday | 54°F | Slight Chance Light Rain | 7 to 13 mph W | 20% |
| Monday Night | 35°F | Partly Cloudy | 5 to 9 mph SW | 14% |
| Tuesday | 58°F | Mostly Sunny then Slight Chance Light Rain | 9 to 15 mph SW | 15% |
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 Nov 4, 2026.