Texas · NWS LCH office

Port Arthur, TX weather

It is 72°F and clear at Beaumont/Port Arthur Southeast Texas Regional Airport as of Oct 28, 1:15 AM CDT. Overnight: Mostly Cloudy, low near 71°F, 4% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 12:45 AM CDT.

Updated Oct 28, 1:22 AM CDT (snapshot)

Current conditions

Temperature

72°F

Clear · feels like 72°F

Wind

ESE 7 mph

Humidity 83% · dew point 66°F

Pressure · visibility

30.14 inHg

Visibility 10 mi

Observed at Beaumont/Port Arthur Southeast Texas Regional Airport (KBPT), Oct 28, 1:15 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Port Arthur forecast zone right now.

Around the NWS LCH forecast area

No active alerts in zones served by the LCH office near Port Arthur.

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. Texas has 2 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Port Arthur (local time)
TimeTempForecastPrecip. chanceWind
Wed 1 AM75°FMostly Cloudy4%E 5 mph
Wed 2 AM75°FMostly Cloudy3%E 5 mph
Wed 3 AM74°FMostly Cloudy4%E 5 mph
Wed 4 AM74°FMostly Cloudy3%E 5 mph
Wed 5 AM74°FPartly Cloudy3%E 10 mph
Wed 6 AM73°FMostly Sunny3%E 10 mph
Wed 7 AM73°FMostly Sunny3%E 10 mph
Wed 8 AM73°FMostly Sunny3%E 10 mph
Wed 9 AM72°FSunny2%E 10 mph
Wed 10 AM74°FSunny2%E 10 mph
Wed 11 AM75°FSunny2%E 10 mph
Wed 12 PM75°FSunny2%E 10 mph
Wed 1 PM76°FMostly Sunny2%E 10 mph
Wed 2 PM77°FSunny2%E 10 mph
Wed 3 PM77°FSunny2%SE 10 mph
Wed 4 PM79°FSunny2%SE 10 mph
Wed 5 PM78°FSunny2%SE 5 mph
Wed 6 PM77°FMostly Clear2%SE 5 mph
Wed 7 PM76°FPartly Cloudy0%S 5 mph
Wed 8 PM74°FPartly Cloudy0%S 5 mph
Wed 9 PM74°FPartly Cloudy0%S 5 mph
Wed 10 PM74°FPartly Cloudy0%S 5 mph
Wed 11 PM74°FPartly Cloudy0%S 5 mph
Thu 12 AM74°FPartly Cloudy0%S 5 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Port Arthur can differ.

7-day forecast

Overnight

Low 71°F

Mostly cloudy, with a low around 71. East wind 5 to 10 mph.

Wednesday

High 79°F·Low 69°F

Sunny, with a high near 79. East wind 5 to 10 mph.

Wednesday Night: Partly cloudy, with a low around 69. Southeast wind 0 to 5 mph.

Thursday

High 80°F·Low 70°F

Mostly sunny, with a high near 80. East wind around 5 mph.

Thursday Night: Mostly cloudy, with a low around 70. Southeast wind 0 to 5 mph.

Friday

High 79°F·Low 72°F

Partly sunny, with a high near 79. East wind around 10 mph.

Friday Night: A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 72. East wind around 5 mph. Chance of precipitation is 30%.

Saturday

High 80°F·Low 71°F

A chance of showers and thunderstorms. Partly sunny, with a high near 80. Southeast wind 5 to 10 mph. Chance of precipitation is 50%.

Saturday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. East wind around 5 mph. Chance of precipitation is 50%.

Sunday

High 82°F·Low 71°F

Mostly sunny, with a high near 82.

Sunday Night: Partly cloudy, with a low around 71.

Monday

High 81°F·Low 71°F

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Chance of precipitation is 20%.

Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 20%.

Tuesday

High 78°F

A chance of showers and thunderstorms. Partly sunny, with a high near 78.

Nearby cities

Larger cities in the area

Other cities in Jefferson County

See every city we cover in Texas, or check all active alerts.

About this forecast

Forecast office
Port Arthur is served by the National Weather Service LCH forecast office, forecast zone GMZ430.
Location used
The Census Bureau's internal point for Port Arthur (29.9000, -93.8944), in Jefferson County. Population: 55,799 (2024 estimate), number 69 of the 154 Texas cities on this site.
Radar
Nearest NWS radar: KLCH. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/29.9,-93.8944 (forecast issued Oct 28, 12:45 AM CDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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