San Isidro, TX Weather & Growing Conditions
This Afternoon
90°F
Mostly Sunny
Mostly sunny. High near 90, with temperatures falling to around 84 in the afternoon. North wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 90°F | Mostly Sunny | 10 mph N | 3% |
| Tonight | 62°F | Partly Cloudy | 3 to 8 mph N | 5% |
| Wednesday | 84°F | Sunny | 6 mph NE | 0% |
| Wednesday Night | 64°F | Partly Cloudy | 1 to 5 mph E | 5% |
| Thursday | 90°F | Mostly Sunny | 1 to 6 mph ESE | 13% |
| Thursday Night | 67°F | Showers And Thunderstorms Likely | 1 to 8 mph NE | 72% |
| Friday | 82°F | Chance Showers And Thunderstorms then Mostly Sunny | 6 to 13 mph N | 28% |
| Friday Night | 60°F | Partly Cloudy | 0 to 6 mph N | 12% |
| Saturday | 77°F | Chance Rain Showers | 7 to 10 mph NNE | 38% |
| Saturday Night | 58°F | Slight Chance Rain Showers | 3 to 14 mph N | 22% |
| Sunday | 75°F | Slight Chance Rain Showers then Mostly Sunny | 6 to 14 mph N | 16% |
| Sunday Night | 54°F | Partly Cloudy | 3 mph N | 9% |
| Monday | 78°F | Mostly Sunny | 5 mph NNE | 6% |
| Monday Night | 54°F | Partly Cloudy | 1 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Isidro, TX
Last spring frost
Jan 22
First fall frost
Dec 19
Growing season
333 days
Hardiness zone
9b
Explore more for San Isidro, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Mccook, Tx (20.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.