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Port Arthur, TX 77655 Weather

Today: Mostly Cloudy, high 77°F, low 66°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Port Arthur, TX 77655 current weather

68°F

Mostly Cloudy

Forecast for this hour. No recent report from a nearby station.

H 77° / L 66°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/29/2026, 11:51 PM PT

Hourly forecast

NWS, updated 10/29/2026, 11:51 PM PT

  1. Now68°
  2. 2 AM69°
  3. 3 AM68°
  4. 4 AM68°
  5. 5 AM68°
  6. 6 AM66°
  7. 7 AM67°
  8. 8 AM68°
  9. 9 AM69°
  10. 10 AM72°
  11. 11 AM74°
  12. 12 PM75°
  13. 1 PM76°
  14. 2 PM77°
  15. 3 PM77°
  16. 4 PM76°
  17. 5 PM76°
  18. 6 PM75°
  19. 7 PM72°
  20. 8 PM72°
  21. 9 PM71°
  22. 10 PM71°
  23. 11 PM71°16%
  24. 12 AM71°14%Sat
  25. 1 AM71°21%
  26. 2 AM71°21%
  27. 3 AM71°28%
  28. 4 AM70°31%
  29. 5 AM70°36%
  30. 6 AM70°39%
  31. 7 AM69°45%
  32. 8 AM70°53%
  33. 9 AM72°55%
  34. 10 AM75°42%
  35. 11 AM76°46%
  36. 12 PM76°32%
  37. 1 PM77°61%
  38. 2 PM78°47%
  39. 3 PM77°59%
  40. 4 PM78°51%
  41. 5 PM77°40%
  42. 6 PM76°28%
  43. 7 PM74°17%
  44. 8 PM72°17%
  45. 9 PM72°17%
  46. 10 PM72°17%
  47. 11 PM72°17%
  48. 12 AM72°17%Sun

10-day forecast

Tap a day for details

  • Today10/30Low 66°High 77°

    Friday: Mostly cloudy, with a high near 77. East wind 10 to 15 mph.

    Overnight: Mostly cloudy, with a low around 66. East wind around 5 mph.

    Mostly Cloudy
  • Sat10/3161% chance of precipitationLow 68°High 78°

    Saturday: Showers and thunderstorms likely before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms likely between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers and thunderstorms likely between 3pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. East wind around 10 mph. Chance of precipitation is 60%.

    Saturday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68. East wind 5 to 10 mph. Chance of precipitation is 30%.

    Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
  • Sun11/1Low 70°High 81°

    Sunday: Partly sunny, with a high near 81. East wind 5 to 10 mph.

    Sunday Night: Mostly cloudy, with a low around 70. East wind around 5 mph.

    Partly Sunny
  • Mon11/219% chance of precipitationLow 72°High 80°

    Monday: Partly sunny, with a high near 80. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Monday Night: A slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 72. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Partly Sunny
  • Tue11/371% chance of precipitationLow 64°High 78°

    Tuesday: Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 70%.

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Showers And Thunderstorms Likely
  • Wed11/415% chance of precipitationLow 62°High 74°

    Wednesday: A slight chance of rain showers before noon. Mostly sunny, with a high near 74. Chance of precipitation is 20%.

    Wednesday Night: Mostly clear, with a low around 62.

    Slight Chance Rain Showers then Mostly Sunny
  • Thu11/5Low High 74°

    Thursday: Mostly sunny, with a high near 74.

    Mostly Sunny
  • Fri11/6Model blend12% chance of precipitationLow 58°High 79°

    Friday: Partly cloudy. High near 79°. Low that night near 58°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blend15% chance of precipitationLow 57°High 79°

    Saturday: Partly cloudy. High near 79°. Low that night near 57°. About 0.04 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blend25% chance of precipitationLow 57°High 78°

    Sunday: Partly cloudy, slight chance of rain. High near 78°. Low that night near 57°. About 0.22 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 29.719, -93.950 from the NWS LCH office, updated 10/29/2026, 11:51 PM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KBPT (Beaumont/SE Texas Rgnl, 17 mi), model run 10/29/2026, 9:00 PM CDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now68°Mostly Cloudy0%5 mph
  2. 2 AM69°Mostly Cloudy0%5 mph
  3. 3 AM68°Mostly Cloudy0%5 mph
  4. 4 AM68°Mostly Cloudy0%5 mph
  5. 5 AM68°Mostly Cloudy0%5 mph
  6. 6 AM66°Cloudy0%10 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Port Arthur, TX 77655?
The National Weather Service forecast for friday calls for a high near 77°F. Mostly Cloudy.
Will it rain in Port Arthur, TX 77655 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Port Arthur, TX 77655?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 6 to Nov 8) come from the NOAA National Blend of Models, with highs of 78°F to 79°F. Model guidance this far out often changes.
What time is sunrise and sunset in Port Arthur, TX 77655 today?
Sunrise is about 7:28 AM CDT and sunset is about 6:30 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Port Arthur, TX 77655?
At Port Arthur SE TX AP, the 1991 to 2020 normal high in October is 82°F and the normal low is 61°F.

Nearby hazards

Texas hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:General thunderstormsOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Beaumont-Port Arthur)
ModeratePM2.5
AQI forecast tomorrow (Beaumont-Port Arthur)
ModeratePM2.5

UV index guide · Air quality

Drought

By county

Jefferson County, week of 10/27/2026

100% of the county is in moderate drought or worse.

Tides nearby

NOAA tide stations

Beaches nearby

EPA BEACON beaches

Sun and moon

Local time, center of the area

Sunrise
7:28 AM
Sunset
6:30 PM
Daylight
11 hr 3 min
Moon
Waning Gibbous 82% lit
First light (civil dawn)
7:03 AM
Last light (civil dusk)
6:55 PM
Moonrise
10:32 PM
Moonset
12:22 PM

Normal October weather

Climate

Normal October high 82°, low 61°, precipitation 5.47 in for the month. 1991 to 2020 normals at Port Arthur SE TX AP, 17 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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