Port Arthur, Texas Weather Forecast
Today in Port Arthur: mostly sunny with a high near 80°F and a low around 67°F. Rain chance 14%. No day tops a 20% rain chance through Thursday. Highs run 72 to 83°F through Thursday.
Forecast updated 9:05 PM CDT, Oct 16
Active Weather Alerts
7-Day Forecast for Port Arthur
Today 10/16
14%
80°67°
Sat 10/17
72°59°
Sun 10/18
72°57°
Mon 10/19
76°60°
Tue 10/20
79°62°
Wed 10/21
82°62°
Thu 10/22
83°62°
Next 24 Hours
| Now | 11 PM | Sat12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky |  | | | |  | | | | | | | | | | | | | | | | | | | |
| Temp | 68° | 67° | 65° | 64° | 63° | 62° | 61° | 60° | 60° | 59° | 59° | 60° | 61° | 63° | 65° | 67° | 69° | 71° | 72° | 71° | 70° | 67° | 66° | 65° |
| Rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Wind | N 20 | N 20 | N 19 | NNE 18 | NNE 17 | NNE 17 | NNE 17 | NNE 18 | NNE 18 | NNE 18 | NNE 18 | NNE 19 | NNE 18 | NNE 17 | NNE 15 | NNE 14 | NNE 14 | NNE 14 | NNE 13 | NNE 13 | NNE 11 | NNE 9 | NNE 9 | NNE 10 |
Growing Conditions
Growing degree days
5,837
since Apr 1, base 50°F
Rain, last 30 days
6.24 in
model analysis
Rain, year to date
56.21 in
since Jan 1
2-inch soil temperature
79°F
yesterday, daily average
Reference ET, last 7 days
1.14 in
FAO-56 grass reference
Through Oct 15. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Port Arthur →
Current Stats & Observations
NWS Forecast
About Port Arthur Weather
Port Arthur sits at about 0 feet above sea level in Jefferson County, Texas. About 154,468 people live in the Port Arthur area. Official forecasts and warnings for the area come from the National Weather Service LCH office, and the nearest NEXRAD radar site is KLCH. The city is in USDA plant hardiness zone 9b, where the coldest winter night typically falls between 25 to 30°F.
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