Jefferson, TX Weather & Growing Conditions
Today
98°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 98. Heat index values as high as 105. South wind around 0 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 20% |
| Tonight | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 20% |
| Wednesday | 98°F | Sunny | 0 mph | 14% |
| Wednesday Night | 76°F | Mostly Clear | 0 mph | 11% |
| Thursday | 97°F | Sunny | 0 mph | 10% |
| Thursday Night | 75°F | Mostly Clear | 0 mph | 10% |
| Friday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 18% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 18% |
| Saturday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 21% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 21% |
| Sunday | 95°F | Sunny | 0 to 5 mph S | 9% |
| Sunday Night | 74°F | Mostly Clear | 0 mph | 9% |
| Monday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 15% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jefferson, TX
Last spring frost
Mar 18
First fall frost
Nov 8
Growing season
236 days
Hardiness zone
8b
Explore more for Jefferson, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Jefferson, Tx (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.