Harman US

Round Top, TX Weather & Growing Conditions

Overnight
53°F
Mostly Clear
Mostly clear, with a low around 53. North northwest wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 53°F Mostly Clear 0 to 5 mph NNW 0%
Wednesday 74°F Sunny 0 to 5 mph N 0%
Wednesday Night 51°F Clear 0 mph 0%
Thursday 79°F Sunny 0 to 5 mph SE 1%
Thursday Night 57°F Partly Cloudy 0 to 10 mph N 3%
Friday 75°F Mostly Sunny 5 to 10 mph N 2%
Friday Night 53°F Partly Cloudy 5 mph N 0%
Saturday 71°F Partly Sunny 5 to 10 mph NNE 7%
Saturday Night 50°F Slight Chance Rain Showers 0 to 5 mph NNE 20%
Sunday 66°F Partly Sunny 5 to 10 mph NNE 12%
Sunday Night 46°F Mostly Clear 0 mph 4%
Monday 69°F Sunny 0 to 5 mph NNE 3%
Monday Night 46°F Mostly Clear 0 mph 2%
Tuesday 73°F Mostly Sunny 0 mph 3%

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

Growing snapshot for Round Top, TX

Last spring frost
Mar 4
First fall frost
Nov 25
Growing season
267 days
Hardiness zone
9a

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

Climate data from the nearest NOAA station, La Grange, Tx (13.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.