Spring Branch, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spring Branch, a city in Comal County, Texas.
This Afternoon
80°F
Sunny
Sunny. High near 80, with temperatures falling to around 76 in the afternoon. North northwest wind around 5 mph.
7-day forecast for Spring Branch
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Sunny | 5 mph NNW | 0% |
| Tonight | 46°F | Mostly Clear | 5 mph NNW | 0% |
| Wednesday | 75°F | Sunny | 0 to 5 mph NE | 0% |
| Wednesday Night | 48°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Thursday | 80°F | Mostly Sunny | 0 to 5 mph SSW | 3% |
| Thursday Night | 52°F | Partly Cloudy | 5 to 15 mph NW | 2% |
| Friday | 72°F | Sunny | 5 to 15 mph N | 0% |
| Friday Night | 47°F | Partly Cloudy | 0 to 10 mph NNE | 2% |
| Saturday | 68°F | Slight Chance Rain Showers | 5 to 10 mph NNE | 20% |
| Saturday Night | 46°F | Mostly Cloudy | 0 to 10 mph N | 12% |
| Sunday | 70°F | Mostly Sunny | 5 to 10 mph N | 8% |
| Sunday Night | 45°F | Mostly Clear | 0 to 5 mph N | 6% |
| Monday | 72°F | Sunny | 0 to 5 mph WSW | 4% |
| Monday Night | 45°F | Mostly Clear | 0 to 5 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Spring Branch (29.876, -98.409). Updated through the day.
Growing snapshot for Spring Branch
Last spring frost
Mar 1
First fall frost
Dec 1
Growing season
276 days
Hardiness zone
8b
More local growing data for Spring Branch: nearby ZIP 78070 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Canyon Dam, Tx (12.9 mi from Spring Branch). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.