Three Rivers, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Three Rivers, a city in Live Oak County, Texas.
Tonight
73°F
Mostly Clear
Mostly clear, with a low around 73. Heat index values as high as 91. East wind 0 to 6 mph.
7-day forecast for Three Rivers
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Mostly Clear | 0 to 6 mph E | 1% |
| Saturday | 102°F | Sunny | 0 to 7 mph E | 0% |
| Saturday Night | 73°F | Mostly Clear | 0 to 10 mph ESE | 0% |
| Sunday | 102°F | Sunny | 0 to 6 mph E | 1% |
| Sunday Night | 75°F | Partly Cloudy | 1 to 8 mph SE | 1% |
| Monday | 104°F | Sunny | 0 to 6 mph ESE | 8% |
| Monday Night | 75°F | Mostly Clear | 0 to 9 mph ESE | 8% |
| Tuesday | 103°F | Sunny | 0 to 9 mph ENE | 12% |
| Tuesday Night | 75°F | Mostly Clear | 0 to 10 mph E | 12% |
| Wednesday | 104°F | Sunny | 0 to 10 mph E | 10% |
| Wednesday Night | 75°F | Mostly Clear | 0 to 10 mph ENE | 10% |
| Thursday | 103°F | Sunny then Slight Chance Showers And Thunderstorms | 1 to 10 mph ENE | 18% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph E | 18% |
| Friday | 102°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 10 mph ENE | 15% |
Forecast source: National Weather Service (api.weather.gov) for Three Rivers (28.467, -98.178). Updated through the day.
Growing snapshot for Three Rivers
Last spring frost
Feb 8
First fall frost
Dec 6
Growing season
302 days
Hardiness zone
9a
More local growing data for Three Rivers: nearby ZIP 78071 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Choke Canyon Dam, Tx (3.3 mi from Three Rivers). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.