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Jefferson, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Jefferson, a village in Ashtabula County, Ohio.

This Afternoon
73°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 73. Southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Jefferson

WhenTempForecastWindPrecip
This Afternoon 73°F Chance Rain Showers 5 mph SE 31%
Tonight 60°F Chance Showers And Thunderstorms 6 mph SE 49%
Sunday 70°F Showers And Thunderstorms 6 to 13 mph NW 87%
Sunday Night 51°F Chance Rain Showers then Mostly Cloudy 8 to 12 mph NE 33%
Monday 65°F Mostly Cloudy 13 mph NE 5%
Monday Night 49°F Chance Rain Showers 12 mph NE 36%
Tuesday 63°F Chance Rain Showers 14 mph E 36%
Tuesday Night 49°F Rain Showers Likely 13 to 16 mph E 56%
Wednesday 63°F Rain Showers Likely 16 mph E 56%
Wednesday Night 49°F Showers And Thunderstorms Likely 12 to 15 mph SE 58%
Thursday 65°F Chance Showers And Thunderstorms 12 mph E 51%
Thursday Night 49°F Slight Chance Rain Showers 5 to 12 mph E 20%
Friday 67°F Slight Chance Rain Showers 6 to 14 mph NE 21%
Friday Night 49°F Partly Cloudy 3 to 14 mph NE 14%

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

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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.