Sam Rayburn, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sam Rayburn, a community in Jasper County, Texas.
Tonight
72°F
Clear
Clear, with a low around 72. Heat index values as high as 98. Southeast wind 0 to 5 mph.
7-day forecast for Sam Rayburn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Clear | 0 to 5 mph SE | 0% |
| Saturday | 97°F | Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 72°F | Clear | 0 to 5 mph S | 0% |
| Sunday | 97°F | Sunny | 0 to 5 mph S | 1% |
| Sunday Night | 75°F | Partly Cloudy | 0 to 5 mph S | 1% |
| Monday | 97°F | Mostly Sunny | 0 to 5 mph SW | 5% |
| Monday Night | 75°F | Mostly Clear | 0 mph | 7% |
| Tuesday | 98°F | Sunny | 0 to 5 mph N | 8% |
| Tuesday Night | 75°F | Partly Cloudy | 0 to 5 mph NE | 8% |
| Wednesday | 96°F | Sunny | 5 to 10 mph NE | 4% |
| Wednesday Night | 73°F | Mostly Clear | 0 to 5 mph NE | 4% |
| Thursday | 93°F | Sunny | 5 to 10 mph NE | 1% |
| Thursday Night | 71°F | Mostly Clear | 0 to 5 mph NE | 1% |
| Friday | 92°F | Sunny | 5 to 10 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Sam Rayburn (31.077, -94.026). Updated through the day.
Growing snapshot for Sam Rayburn
Last spring frost
Feb 24
First fall frost
Dec 1
Growing season
280 days
Hardiness zone
9a
More local growing data for Sam Rayburn: nearby ZIP 75931 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sam Rayburn Dam, Tx (6.7 mi from Sam Rayburn). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.