Granger, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Granger, a city in Williamson County, Texas.
Tonight
50°F
Mostly Clear
Mostly clear, with a low around 50. North northwest wind around 5 mph.
7-day forecast for Granger
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Mostly Clear | 5 mph NNW | 0% |
| Wednesday | 72°F | Sunny | 0 to 5 mph NNE | 0% |
| Wednesday Night | 49°F | Clear | 0 mph | 0% |
| Thursday | 78°F | Sunny | 0 to 5 mph SSW | 2% |
| Thursday Night | 52°F | Mostly Clear | 0 to 10 mph WNW | 12% |
| Friday | 71°F | Sunny | 5 to 15 mph N | 0% |
| Friday Night | 48°F | Partly Cloudy | 5 mph N | 1% |
| Saturday | 67°F | Partly Sunny | 5 to 10 mph N | 12% |
| Saturday Night | 46°F | Partly Cloudy | 0 to 5 mph N | 8% |
| Sunday | 68°F | Mostly Sunny | 5 mph N | 4% |
| Sunday Night | 44°F | Mostly Clear | 0 mph | 7% |
| Monday | 71°F | Sunny | 0 to 5 mph NNE | 3% |
| Monday Night | 45°F | Mostly Clear | 0 mph | 3% |
| Tuesday | 73°F | Mostly Sunny | 0 to 5 mph S | 3% |
Forecast source: National Weather Service (api.weather.gov) for Granger (30.718, -97.441). Updated through the day.
Growing snapshot for Granger
Last spring frost
Mar 5
First fall frost
Nov 22
Growing season
261 days
Hardiness zone
9a
More local growing data for Granger: nearby ZIP 76530 weather · frost dates · planting calendar · Texas frost dates
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Jarrell
Liberty Hill
Round Rock
Santa Rita Ranch
Serenada
Sonterra
Taylor
Thrall
Weir
Climate data from the nearest NOAA station, Granger Dam, Tx (6.2 mi from Granger). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.