Portland, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Portland, a city in San Patricio County, Texas.
Today
90°F
Sunny
Sunny, with a high near 90. Heat index values as high as 109. South southeast wind 9 to 17 mph, with gusts as high as 23 mph.
7-day forecast for Portland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 9 to 17 mph SSE | 3% |
| Tonight | 82°F | Mostly Clear | 10 to 17 mph SSE | 1% |
| Wednesday | 90°F | Sunny | 10 to 15 mph SSE | 1% |
| Wednesday Night | 82°F | Mostly Clear | 8 to 16 mph SSE | 0% |
| Thursday | 91°F | Sunny | 8 to 16 mph SE | 2% |
| Thursday Night | 81°F | Mostly Clear | 7 to 16 mph SSE | 2% |
| Friday | 90°F | Sunny | 6 to 14 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 | 5% |
| Sunday | 88°F | Sunny | 5 to 15 mph SSE | 10% |
| Sunday Night | 82°F | Partly Cloudy | 8 to 15 mph SSE | 10% |
| Monday | 88°F | Sunny | 8 to 18 mph SSE | 7% |
| Monday Night | 82°F | Mostly Clear | 13 to 18 mph SSE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Portland (27.889, -97.332). Updated through the day.
Growing snapshot for Portland
Last spring frost
Jan 14
First fall frost
Jan 8
Growing season
365 days
Hardiness zone
10a
More local growing data for Portland: nearby ZIP 78374 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Aransas Pass
Del Sol
Edgewater Estates
Edroy
Falman
Gregory
Ingleside
Ingleside on the Bay
La Paloma Addition
Lakeshore Gardens-Hidden Acres
Lakeside
Loma Linda
Mathis
Morgan Farm
Odem
Paisano Park
Rancho Chico
San Patricio
Sinton
St. Paul
Taft
Taft Southwest
Tradewinds
Climate data from the nearest NOAA station, Corpus Christi Nas, Tx (14 mi from Portland). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.