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
52°F
Patchy Fog then Partly Cloudy
Patchy fog between 8pm and midnight. Partly cloudy, with a low around 52. Northwest wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Sam Rayburn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Patchy Fog then Partly Cloudy | 0 to 5 mph NW | 11% |
| Wednesday | 77°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 47°F | Clear | 0 mph | 1% |
| Thursday | 80°F | Mostly Sunny | 0 mph | 14% |
| Thursday Night | 54°F | Partly Cloudy | 0 mph | 6% |
| Friday | 79°F | Mostly Sunny | 0 to 10 mph N | 1% |
| Friday Night | 49°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 74°F | Partly Sunny | 5 to 10 mph N | 5% |
| Saturday Night | 45°F | Partly Cloudy | 0 to 5 mph N | 11% |
| Sunday | 72°F | Mostly Sunny | 5 to 10 mph N | 2% |
| Sunday Night | 43°F | Mostly Clear | 0 to 5 mph N | 2% |
| Monday | 74°F | Sunny | 0 to 5 mph N | 2% |
| Monday Night | 43°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 76°F | Sunny | 0 to 5 mph SE | 1% |
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 Nov 4, 2026.