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Los Fresnos, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Los Fresnos, a community in Webb County, Texas.

Today
81°F
Sunny
Sunny, with a high near 81. Heat index values as high as 80. East northeast wind around 5 mph.

7-day forecast for Los Fresnos

WhenTempForecastWindPrecip
Today 81°F Sunny 5 mph ENE 0%
Tonight 62°F Clear 6 mph SE 3%
Thursday 82°F Mostly Sunny then Slight Chance Rain Showers 1 to 5 mph ENE 15%
Thursday Night 66°F Partly Cloudy then Slight Chance Rain Showers 2 to 10 mph NNE 15%
Friday 77°F Mostly Sunny 5 to 15 mph N 6%
Friday Night 60°F Partly Cloudy 3 to 8 mph NNE 2%
Saturday 73°F Partly Sunny then Slight Chance Rain Showers 10 mph NNE 20%
Saturday Night 58°F Chance Rain Showers 7 to 13 mph NNE 40%
Sunday 69°F Chance Rain Showers 6 to 13 mph N 26%
Sunday Night 54°F Partly Cloudy 0 to 5 mph NNE 14%
Monday 72°F Mostly Sunny 2 mph ENE 7%
Monday Night 54°F Partly Cloudy 2 mph E 2%
Tuesday 76°F Partly Sunny 3 mph ESE 9%
Tuesday Night 58°F Mostly Cloudy 3 mph ESE 4%

Forecast source: National Weather Service (api.weather.gov) for Los Fresnos (27.617, -99.208). Updated through the day.

Growing snapshot for Los Fresnos

Last spring frost
Jan 20
First fall frost
Dec 25
Growing season
344 days
Hardiness zone
9b

More local growing data for Los Fresnos: nearby ZIP 78043 weather · frost dates · planting calendar · Texas frost dates

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Climate data from the nearest NOAA station, Laredo Afb, Tx (10.3 mi from Los Fresnos). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.