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 106. East northeast wind 3 to 13 mph.
7-day forecast for Portland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 3 to 13 mph ENE | 11% |
| Tonight | 80°F | Mostly Clear | 5 to 13 mph SSE | 9% |
| Sunday | 91°F | Sunny | 3 to 12 mph ENE | 8% |
| Sunday Night | 82°F | Partly Cloudy | 6 to 13 mph SE | 5% |
| Monday | 91°F | Chance Showers And Thunderstorms | 5 to 12 mph SE | 27% |
| Monday Night | 82°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 to 12 mph ESE | 17% |
| Tuesday | 91°F | Slight Chance Showers And Thunderstorms | 5 to 13 mph E | 18% |
| Tuesday Night | 82°F | Mostly Clear | 5 to 14 mph ESE | 14% |
| Wednesday | 89°F | Slight Chance Showers And Thunderstorms | 6 to 16 mph ENE | 17% |
| Wednesday Night | 83°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 7 to 16 mph E | 17% |
| Thursday | 89°F | Chance Showers And Thunderstorms | 9 to 17 mph ENE | 29% |
| Thursday Night | 82°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 9 to 17 mph E | 20% |
| Friday | 88°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 12 to 16 mph ENE | 19% |
| Friday Night | 81°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 10 to 16 mph E | 16% |
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 Sep 19, 2026.