Harman US

Big Lake, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Big Lake, a city in Reagan County, Texas.

Overnight
48°F
Clear
Clear, with a low around 48. East wind around 0 mph.

7-day forecast for Big Lake

WhenTempForecastWindPrecip
Overnight 48°F Clear 0 mph 0%
Wednesday 74°F Sunny 5 to 15 mph S 0%
Wednesday Night 53°F Clear 10 to 15 mph S 0%
Thursday 77°F Sunny 10 to 15 mph W 0%
Thursday Night 46°F Clear 5 to 15 mph N 0%
Friday 67°F Sunny 5 to 10 mph NE 0%
Friday Night 47°F Mostly Cloudy 5 to 10 mph NE 6%
Saturday 62°F Chance Rain Showers 5 to 10 mph E 26%
Saturday Night 45°F Slight Chance Rain Showers then Partly Cloudy 0 to 5 mph NE 15%
Sunday 63°F Mostly Sunny 5 mph N 7%
Sunday Night 44°F Mostly Clear 0 mph 3%
Monday 66°F Sunny 0 to 5 mph S 4%
Monday Night 46°F Partly Cloudy 5 mph S 2%
Tuesday 68°F Mostly Sunny 5 to 10 mph S 0%

Forecast source: National Weather Service (api.weather.gov) for Big Lake (31.194, -101.453). Updated through the day.

Growing snapshot for Big Lake

Last spring frost
Mar 20
First fall frost
Nov 14
Growing season
238 days
Hardiness zone
8a

More local growing data for Big Lake: nearby ZIP 76932 weather · frost dates · planting calendar · Texas frost dates

Climate data from the nearest NOAA station, Big Lake 2, Tx (6 mi from Big Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.