Jefferson, OH Weather & Growing Conditions
Tonight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. South wind 8 to 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Partly Cloudy | 8 to 12 mph S | 3% |
| Wednesday | 73°F | Mostly Cloudy then Light Rain Likely | 12 to 17 mph S | 62% |
| Wednesday Night | 56°F | Light Rain | 7 to 18 mph S | 79% |
| Thursday | 66°F | Slight Chance Light Rain then Mostly Sunny | 7 to 14 mph SW | 18% |
| Thursday Night | 46°F | Partly Cloudy | 2 to 6 mph SW | 3% |
| Friday | 60°F | Mostly Cloudy then Chance Light Rain | 3 to 7 mph W | 33% |
| Friday Night | 42°F | Chance Light Rain | 2 to 7 mph NW | 44% |
| Saturday | 53°F | Chance Light Rain | 8 to 13 mph NW | 46% |
| Saturday Night | 36°F | Chance Light Rain | 2 to 8 mph W | 43% |
| Sunday | 54°F | Partly Sunny then Slight Chance Light Rain | 5 to 12 mph SW | 24% |
| Sunday Night | 35°F | Chance Light Rain | 8 mph W | 33% |
| Monday | 55°F | Chance Light Rain | 7 to 14 mph W | 33% |
| Monday Night | 37°F | Chance Light Rain | 7 to 10 mph SW | 32% |
| Tuesday | 58°F | Slight Chance Light Rain | 10 to 16 mph W | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jefferson, OH
Last spring frost
May 2
First fall frost
Oct 21
Growing season
171 days
Hardiness zone
6a
Explore more for Jefferson, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Ashtabula Co Ap, Oh (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.