Harman US

Spring Branch, TX Weather & Growing Conditions

Tonight
47°F
Mostly Clear
Mostly clear, with a low around 47. North northwest wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 47°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 SW 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 48°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 46°F Mostly Clear 0 to 5 mph N 6%
Monday 71°F Sunny 0 to 5 mph WSW 4%
Monday Night 46°F Mostly Clear 0 to 5 mph SSE 2%
Tuesday 72°F Mostly Sunny 0 to 5 mph SSW 3%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Spring Branch, TX

Last spring frost
Mar 1
First fall frost
Dec 1
Growing season
276 days
Hardiness zone
8b

Explore more for Spring Branch, TX: full frost dates · planting calendar · Texas frost dates

Climate data from the nearest NOAA station, Canyon Dam, Tx (12.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.