Harman US

Donna, TX Weather & Growing Conditions

Tonight
78°F
Mostly Clear
Mostly clear, with a low around 78. East wind 0 to 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 78°F Mostly Clear 0 to 3 mph E 0%
Saturday 99°F Sunny 1 to 10 mph ENE 10%
Saturday Night 77°F Mostly Clear 2 to 12 mph ESE 1%
Sunday 100°F Mostly Sunny 2 to 10 mph ESE 12%
Sunday Night 78°F Partly Cloudy 3 to 13 mph SE 12%
Monday 100°F Sunny then Slight Chance Showers And Thunderstorms 2 to 12 mph ESE 22%
Monday Night 78°F Slight Chance Showers And Thunderstorms then Mostly Clear 2 to 13 mph ESE 22%
Tuesday 98°F Sunny then Chance Showers And Thunderstorms 2 to 13 mph E 43%
Tuesday Night 78°F Chance Showers And Thunderstorms then Mostly Clear 0 to 13 mph ENE 43%
Wednesday 97°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 2 to 13 mph ENE 43%
Wednesday Night 78°F Chance Showers And Thunderstorms then Mostly Clear 1 to 13 mph ENE 43%
Thursday 96°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 3 to 12 mph NE 45%
Thursday Night 78°F Chance Showers And Thunderstorms 2 to 13 mph NE 45%
Friday 96°F Chance Rain Showers then Chance Showers And Thunderstorms 5 to 12 mph NE 40%

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

Growing snapshot for Donna, TX

Last spring frost
Jan 8
First fall frost
Dec 31
Growing season
365 days
Hardiness zone
10a

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

Climate data from the nearest NOAA station, Weslaco, Tx (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.