Portland, TX Weather & Growing Conditions
Today
89°F
Sunny
Sunny, with a high near 89. Heat index values as high as 108. South southeast wind 12 to 18 mph, with gusts as high as 23 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Sunny | 12 to 18 mph SSE | 3% |
| Tonight | 83°F | Mostly Clear | 12 to 17 mph SSE | 1% |
| Wednesday | 90°F | Sunny | 12 to 16 mph SSE | 1% |
| Wednesday Night | 83°F | Mostly Clear | 10 to 16 mph SSE | 0% |
| Thursday | 90°F | Sunny | 9 to 16 mph SE | 2% |
| Thursday Night | 83°F | Mostly Clear | 8 to 17 mph SSE | 2% |
| Friday | 90°F | Sunny | 6 to 15 mph SE | 8% |
| Friday Night | 81°F | Mostly Clear | 5 to 15 mph SE | 4% |
| Saturday | 88°F | Sunny | 3 to 14 mph SE | 12% |
| Saturday Night | 82°F | Mostly Clear | 6 to 14 mph SE | 4% |
| Sunday | 88°F | Sunny | 5 to 15 mph SSE | 10% |
| Sunday Night | 82°F | Partly Cloudy | 8 to 15 mph SSE | 10% |
| Monday | 89°F | Sunny | 8 to 18 mph SSE | 7% |
| Monday Night | 82°F | Mostly Clear | 14 to 18 mph SSE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Portland, TX
Last spring frost
Jan 14
First fall frost
Jan 8
Growing season
365 days
Hardiness zone
10a
Explore more for Portland, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Corpus Christi Nas, Tx (14 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.