Los Fresnos, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Los Fresnos, a city in Cameron County, Texas.
Today
82°F
Sunny
Sunny. High near 82, with temperatures falling to around 78 in the afternoon. Northeast wind around 13 mph.
7-day forecast for Los Fresnos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 13 mph NE | 2% |
| Tonight | 69°F | Mostly Clear | 2 to 8 mph E | 1% |
| Thursday | 89°F | Mostly Sunny | 5 to 13 mph SSE | 7% |
| Thursday Night | 72°F | Showers And Thunderstorms Likely | 2 to 9 mph SSW | 60% |
| Friday | 82°F | Showers And Thunderstorms Likely | 6 to 16 mph N | 60% |
| Friday Night | 67°F | Mostly Cloudy | 6 to 10 mph N | 13% |
| Saturday | 80°F | Partly Sunny then Chance Rain Showers | 9 to 14 mph NNE | 28% |
| Saturday Night | 64°F | Chance Rain Showers | 10 to 15 mph NNE | 44% |
| Sunday | 75°F | Chance Rain Showers | 17 mph N | 52% |
| Sunday Night | 58°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 14 mph N | 16% |
| Monday | 75°F | Mostly Sunny | 13 mph N | 8% |
| Monday Night | 59°F | Mostly Cloudy | 2 to 8 mph NNE | 3% |
| Tuesday | 78°F | Partly Sunny | 5 to 10 mph NE | 8% |
| Tuesday Night | 62°F | Mostly Cloudy | 2 to 7 mph ESE | 4% |
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 Nov 4, 2026.