Los Fresnos, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Los Fresnos, a city in Cameron County, Texas.
Overnight
77°F
Mostly Clear
Mostly clear, with a low around 77. South southwest wind around 1 mph.
7-day forecast for Los Fresnos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 77°F | Mostly Clear | 1 mph SSW | 0% |
| Sunday | 97°F | Mostly Sunny | 0 to 13 mph NE | 5% |
| Sunday Night | 79°F | Partly Cloudy | 2 to 13 mph ESE | 2% |
| Monday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 14 mph E | 18% |
| Monday Night | 79°F | Clear | 1 to 13 mph ESE | 4% |
| Tuesday | 96°F | Chance Showers And Thunderstorms | 2 to 14 mph ENE | 41% |
| Tuesday Night | 79°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 13 mph E | 41% |
| Wednesday | 96°F | Chance Showers And Thunderstorms | 3 to 15 mph NE | 45% |
| Wednesday Night | 79°F | Chance Showers And Thunderstorms | 3 to 14 mph E | 45% |
| Thursday | 96°F | Chance Showers And Thunderstorms | 3 to 14 mph ENE | 47% |
| Thursday Night | 79°F | Chance Showers And Thunderstorms | 3 to 13 mph ENE | 47% |
| Friday | 95°F | Showers And Thunderstorms Likely | 5 to 14 mph ENE | 59% |
| Friday Night | 78°F | Chance Showers And Thunderstorms | 5 to 13 mph ENE | 53% |
| Saturday | 95°F | Chance Showers And Thunderstorms | 5 to 13 mph NE | 36% |
Forecast source: National Weather Service (api.weather.gov) for Los Fresnos (26.074, -97.488). Updated through the day.
Growing snapshot for Los Fresnos
Last spring frost
Jan 9
First fall frost
Jan 4
Growing season
365 days
Hardiness zone
10a
More local growing data for Los Fresnos: nearby ZIP 78575 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Arroyo Colorado Estates
Arroyo Gardens
Bayview
Bixby
Bluetown
Brownsville
Cameron Park
Chula Vista
Combes
Del Mar Heights
El Camino Angosto
Encantada-Ranchito-El Calaboz
Green Valley Farms
Harlingen
Iglesia Antigua
Indian Lake
Juarez
La Feria
La Feria North
La Paloma
La Tina Ranch
Lago
Laguna Heights
Laguna Vista
Las Palmas II
Lasana
Laureles
Los Indios
Lozano
Olmito
Climate data from the nearest NOAA station, Wfo Brownsville, Tx (11.5 mi from Los Fresnos). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.