Port Neches, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Neches, a city in Jefferson County, Texas.
This Afternoon
92°F
Sunny
Sunny, with a high near 92. Heat index values as high as 100. Southeast wind around 5 mph.
7-day forecast for Port Neches
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Sunny | 5 mph SE | 0% |
| Tonight | 76°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Sunday | 93°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 23% |
| Sunday Night | 76°F | Partly Cloudy | 0 to 5 mph SE | 3% |
| Monday | 94°F | Sunny | 0 to 5 mph E | 10% |
| Monday Night | 77°F | Mostly Clear | 0 to 5 mph SW | 10% |
| Tuesday | 97°F | Sunny | 0 to 5 mph N | 13% |
| Tuesday Night | 78°F | Mostly Clear | 0 mph | 13% |
| Wednesday | 95°F | Sunny | 0 to 5 mph NE | 6% |
| Wednesday Night | 77°F | Mostly Clear | 0 to 5 mph E | 6% |
| Thursday | 94°F | Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 75°F | Partly Cloudy | 0 to 5 mph E | 2% |
| Friday | 92°F | Mostly Sunny | 5 to 10 mph E | 3% |
| Friday Night | 75°F | Partly Cloudy | 0 to 5 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov) for Port Neches (29.961, -93.962). Updated through the day.
Growing snapshot for Port Neches
Last spring frost
Feb 14
First fall frost
Dec 7
Growing season
301 days
Hardiness zone
9b
More local growing data for Port Neches: nearby ZIP 77651 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Beaumont
Beauxart Gardens
Bevil Oaks
Central Gardens
China
Fannett
Groves
Hamshire
Nederland
Nome
Port Arthur
Rose City
Taylor Landing
Climate data from the nearest NOAA station, Port Arthur Se Tx Ap, Tx (4.8 mi from Port Neches). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.