Port Mansfield, TX Weather & Growing Conditions
Today
90°F
Sunny
Sunny, with a high near 90. Heat index values as high as 106. Southeast wind 13 to 22 mph, with gusts as high as 30 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 13 to 22 mph SE | 2% |
| Tonight | 82°F | Mostly Clear | 13 to 21 mph SE | 1% |
| Wednesday | 90°F | Sunny | 13 to 20 mph SE | 1% |
| Wednesday Night | 81°F | Mostly Clear | 9 to 18 mph SE | 1% |
| Thursday | 90°F | Sunny | 9 to 20 mph SE | 5% |
| Thursday Night | 81°F | Clear | 7 to 20 mph SE | 5% |
| Friday | 88°F | Sunny | 7 to 16 mph SE | 12% |
| Friday Night | 80°F | Mostly Clear | 3 to 15 mph SE | 12% |
| Saturday | 89°F | Sunny | 2 to 14 mph SE | 7% |
| Saturday Night | 80°F | Mostly Clear | 3 to 14 mph SE | 7% |
| Sunday | 90°F | Sunny | 3 to 15 mph SE | 11% |
| Sunday Night | 80°F | Mostly Clear | 8 to 15 mph SE | 10% |
| Monday | 91°F | Sunny | 8 to 20 mph SE | 5% |
| Monday Night | 81°F | Mostly Clear | 13 to 20 mph SSE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port Mansfield, TX
Last spring frost
Jan 12
First fall frost
Jan 1
Growing season
362 days
Hardiness zone
10a
Explore more for Port Mansfield, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Port Mansfield, Tx (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.