Jefferson, OH Weather & Growing Conditions
Today
83°F
Sunny
Sunny, with a high near 83. Southeast wind 0 to 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 0 to 3 mph SE | 0% |
| Tonight | 62°F | Mostly Clear | 5 mph E | 0% |
| Wednesday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 mph SW | 34% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms | 1 to 5 mph E | 32% |
| Thursday | 85°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 mph SW | 36% |
| Thursday Night | 65°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 58% |
| Friday | 82°F | Showers And Thunderstorms Likely | 6 mph SW | 61% |
| Friday Night | 64°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph SW | 61% |
| 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 | 27% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms | 5 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% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 to 9 mph W | 52% |
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 Aug 4, 2026.