Harman US

Jefferson, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Jefferson, a city in Marion County, Texas.

Tonight
49°F
Patchy Fog
Patchy fog after 8pm. Mostly clear, with a low around 49. Northwest wind around 0 mph.

7-day forecast for Jefferson

WhenTempForecastWindPrecip
Tonight 49°F Patchy Fog 0 mph 0%
Wednesday 71°F Patchy Fog then Mostly Sunny 0 to 5 mph NW 0%
Wednesday Night 44°F Mostly Clear 0 mph 0%
Thursday 75°F Mostly Sunny 0 mph 1%
Thursday Night 50°F Partly Cloudy 0 mph 1%
Friday 72°F Sunny 0 to 5 mph N 0%
Friday Night 42°F Partly Cloudy 0 mph 0%
Saturday 68°F Partly Sunny 0 to 5 mph N 0%
Saturday Night 40°F Partly Cloudy 0 mph 5%
Sunday 69°F Sunny 0 to 5 mph N 1%
Sunday Night 38°F Mostly Clear 0 mph 1%
Monday 70°F Sunny 0 mph 0%
Monday Night 39°F Clear 0 mph 0%
Tuesday 74°F Sunny 0 mph 1%

Forecast source: National Weather Service (api.weather.gov) for Jefferson (32.763, -94.351). Updated through the day.

Growing snapshot for Jefferson

Last spring frost
Mar 18
First fall frost
Nov 8
Growing season
236 days
Hardiness zone
8b

More local growing data for Jefferson: nearby ZIP 75657 weather · frost dates · planting calendar · Texas frost dates

Climate data from the nearest NOAA station, Jefferson, Tx (3.3 mi from Jefferson). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.