Port Arthur, Texas Weather Forecast

Jefferson County 29.86°N, 93.93°W Pop. 154,468

Port Arthur is in Jefferson County, Texas. This page has current conditions, radar, a 7-day forecast, observed rainfall and the NWS written forecast for the area.

Active Weather Alerts

7-Day Forecast for Port Arthur

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Hourly charts, 15-day outlook and more for Port Arthur in Local Wx →

Growing Conditions

Growing degree days

5,994

since Apr 1, base 50°F

Rain, last 30 days

4.52 in

model analysis

Rain, year to date

56.21 in

since Jan 1

2-inch soil temperature

71°F

yesterday, daily average

Reference ET, last 7 days

1.15 in

FAO-56 grass reference

Through Oct 23. 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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