Port Neches, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Neches, a city in Jefferson County, Texas.
Overnight
60°F
Mostly Clear
Mostly clear, with a low around 60. North wind around 5 mph.
7-day forecast for Port Neches
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Mostly Clear | 5 mph N | 0% |
| Wednesday | 76°F | Sunny | 0 to 5 mph N | 0% |
| Wednesday Night | 56°F | Clear | 0 mph | 0% |
| Thursday | 77°F | Sunny | 0 to 5 mph E | 4% |
| Thursday Night | 61°F | Partly Cloudy | 0 mph | 9% |
| Friday | 80°F | Mostly Sunny | 5 mph N | 2% |
| Friday Night | 58°F | Partly Cloudy | 5 mph NE | 5% |
| Saturday | 74°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Saturday Night | 53°F | Slight Chance Rain Showers | 5 mph NE | 15% |
| Sunday | 68°F | Partly Sunny | 5 to 10 mph N | 9% |
| Sunday Night | 50°F | Partly Cloudy | 0 to 5 mph N | 4% |
| Monday | 70°F | Mostly Sunny | 5 mph NE | 7% |
| Monday Night | 51°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 73°F | Mostly Sunny | 0 to 5 mph E | 2% |
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
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Port Arthur
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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 Nov 4, 2026.