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.
This Afternoon
100°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 5pm. Mostly cloudy. High near 100, with temperatures falling to around 92 in the afternoon. Heat index values as high as 102. East southeast wind around 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Three Rivers
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 100°F | Slight Chance Showers And Thunderstorms | 9 mph ESE | 15% |
| Tonight | 73°F | Mostly Clear | 0 to 9 mph ESE | 6% |
| 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% |
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.