Harman US

Harlingen, TX Weather & Growing Conditions

Tonight
76°F
Mostly Clear
Mostly clear, with a low around 76. East wind 0 to 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 76°F Mostly Clear 0 to 6 mph E 1%
Saturday 98°F Sunny 1 to 13 mph NE 12%
Saturday Night 76°F Mostly Clear 1 to 13 mph ESE 0%
Sunday 98°F Sunny then Slight Chance Showers And Thunderstorms 1 to 13 mph ESE 15%
Sunday Night 76°F Slight Chance Showers And Thunderstorms then Partly Cloudy 2 to 13 mph SE 15%
Monday 98°F Sunny then Slight Chance Showers And Thunderstorms 1 to 14 mph ESE 20%
Monday Night 76°F Slight Chance Showers And Thunderstorms then Mostly Clear 1 to 14 mph ESE 20%
Tuesday 98°F Sunny then Chance Showers And Thunderstorms 1 to 14 mph E 40%
Tuesday Night 77°F Chance Showers And Thunderstorms then Mostly Clear 1 to 14 mph E 40%
Wednesday 98°F Chance Showers And Thunderstorms 2 to 14 mph ENE 39%
Wednesday Night 77°F Chance Showers And Thunderstorms then Mostly Clear 1 to 14 mph E 39%
Thursday 97°F Chance Showers And Thunderstorms 2 to 14 mph ENE 39%
Thursday Night 77°F Chance Showers And Thunderstorms 3 to 14 mph ENE 39%
Friday 96°F Chance Showers And Thunderstorms 5 to 14 mph NE 38%

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

Growing snapshot for Harlingen, TX

Last spring frost
Jan 8
First fall frost
Dec 29
Growing season
357 days
Hardiness zone
10a

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

Climate data from the nearest NOAA station, Harlingen Rio Grande Ap, Tx (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.