Port Neches, TX Weather & Growing Conditions
This Afternoon
92°F
Mostly Sunny
Mostly sunny, with a high near 92. Heat index values as high as 102. Southeast wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Mostly Sunny | 5 to 10 mph SE | 14% |
| Tonight | 77°F | Partly Cloudy | 0 to 5 mph SE | 4% |
| Monday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 16% |
| Monday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SW | 15% |
| Tuesday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 17% |
| Tuesday Night | 78°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 17% |
| Wednesday | 95°F | Sunny | 0 to 5 mph NE | 7% |
| Wednesday Night | 77°F | Partly Cloudy | 0 to 5 mph E | 7% |
| Thursday | 93°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 74°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 91°F | Mostly Sunny | 5 mph NE | 2% |
| Friday Night | 74°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Saturday | 90°F | Mostly Sunny | 5 mph E | 7% |
| Saturday Night | 74°F | Partly Cloudy | 0 to 5 mph S | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port Neches, TX
Last spring frost
Feb 14
First fall frost
Dec 7
Growing season
301 days
Hardiness zone
9b
Explore more for Port Neches, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Port Arthur Se Tx Ap, Tx (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.