Harman US

Buchanan Dam, TX Weather & Growing Conditions

Overnight
49°F
Mostly Clear
Mostly clear, with a low around 49. North northwest wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 49°F Mostly Clear 0 mph 0%
Wednesday 71°F Sunny 0 mph 0%
Wednesday Night 51°F Clear 0 mph 0%
Thursday 79°F Sunny 0 to 5 mph SW 0%
Thursday Night 51°F Partly Cloudy 0 to 10 mph NNW 0%
Friday 69°F Sunny 5 to 10 mph N 0%
Friday Night 48°F Partly Cloudy 0 to 5 mph NNE 0%
Saturday 65°F Partly Sunny 5 mph NNE 11%
Saturday Night 46°F Slight Chance Rain Showers 0 to 5 mph N 23%
Sunday 65°F Slight Chance Rain Showers then Mostly Sunny 0 to 5 mph N 15%
Sunday Night 44°F Mostly Clear 0 mph 5%
Monday 67°F Sunny 0 mph 3%
Monday Night 45°F Mostly Clear 0 mph 1%
Tuesday 70°F Mostly Sunny 0 to 5 mph S 4%

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

Growing snapshot for Buchanan Dam, TX

Last spring frost
Mar 20
First fall frost
Nov 10
Growing season
235 days
Hardiness zone
8b

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

Climate data from the nearest NOAA station, Llano, Tx (11.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.