Harman US

Decatur, TX Weather & Growing Conditions

Tonight
49°F
Mostly Clear
Mostly clear. Low around 49, with temperatures rising to around 51 overnight. Northwest wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 49°F Mostly Clear 0 to 5 mph NW 0%
Wednesday 71°F Mostly Sunny 0 to 5 mph WNW 0%
Wednesday Night 51°F Partly Cloudy then Patchy Fog 0 to 5 mph SE 0%
Thursday 75°F Sunny 5 to 10 mph SW 12%
Thursday Night 48°F Mostly Clear 5 to 10 mph NNW 8%
Friday 69°F Sunny 5 to 10 mph N 0%
Friday Night 45°F Partly Cloudy 0 to 5 mph N 0%
Saturday 66°F Mostly Sunny 0 to 5 mph N 1%
Saturday Night 44°F Partly Cloudy 0 mph 5%
Sunday 69°F Sunny 0 to 5 mph NNW 1%
Sunday Night 44°F Clear 0 mph 2%
Monday 72°F Sunny 0 to 5 mph SSW 1%
Monday Night 47°F Mostly Clear 0 to 5 mph S 1%
Tuesday 75°F Sunny 0 to 10 mph S 2%

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

Growing snapshot for Decatur, TX

Last spring frost
Mar 20
First fall frost
Nov 11
Growing season
237 days
Hardiness zone
8a

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

Climate data from the nearest NOAA station, Decatur, Tx (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.