Santa Monica, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Santa Monica, a community in Cameron County, Texas.
This Afternoon
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 109. East wind 9 to 14 mph.
7-day forecast for Santa Monica
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Sunny | 9 to 14 mph E | 6% |
| Tonight | 75°F | Mostly Clear | 0 to 13 mph SE | 1% |
| Sunday | 98°F | Sunny | 0 to 13 mph ENE | 9% |
| Sunday Night | 76°F | Partly Cloudy | 1 to 13 mph ESE | 2% |
| Monday | 98°F | Sunny then Slight Chance Showers And Thunderstorms | 1 to 13 mph ESE | 17% |
| Monday Night | 77°F | Slight Chance Showers And Thunderstorms then Clear | 1 to 13 mph ESE | 17% |
| Tuesday | 97°F | Chance Showers And Thunderstorms | 1 to 14 mph ENE | 40% |
| Tuesday Night | 77°F | Chance Showers And Thunderstorms then Clear | 0 to 13 mph E | 40% |
| Wednesday | 97°F | Chance Showers And Thunderstorms | 2 to 16 mph NE | 43% |
| Wednesday Night | 77°F | Chance Showers And Thunderstorms | 2 to 14 mph E | 42% |
| Thursday | 96°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 to 15 mph ENE | 46% |
| Thursday Night | 77°F | Chance Showers And Thunderstorms | 3 to 13 mph E | 46% |
| Friday | 95°F | Chance Showers And Thunderstorms | 3 to 14 mph NE | 53% |
| Friday Night | 76°F | Chance Showers And Thunderstorms | 5 to 13 mph ENE | 45% |
Forecast source: National Weather Service (api.weather.gov) for Santa Monica (26.369, -97.589). Updated through the day.
Growing snapshot for Santa Monica
Last spring frost
Jan 8
First fall frost
Dec 29
Growing season
357 days
Hardiness zone
10a
More local growing data for Santa Monica: nearby ZIP 78550 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 Fresnos
Los Indios
Lozano
Climate data from the nearest NOAA station, Harlingen Rio Grande Ap, Tx (2 mi from Santa Monica). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.