Forecast for Port Arthur, TX | Forecast Periods: 14
Saturday
Mar 14
2026
Port Arthur, TX
Updated: 6:45 PM CDT
67°F
Partly Cloudy
15 mph S
Precipitation: 0%
Partly cloudy, with a low around 67. South wind around 15 mph, with gusts as high as 20 mph.
Hourly Forecast
Extended Forecast
Sunday
Sun, Mar 15
75°F
Partly Sunny
15 mph S
Precipitation: 2%
Partly sunny, with a high near 75. South wind 15 to 25 mph, with gusts as high as 30 mph.
Sunday Night
Sun, Mar 15
46°F
Chance Showers And Thunderstorms then Mostly Cloudy
20 mph NW
Precipitation: 49%
A chance of showers and thunderstorms between 7pm and midnight. Mostly cloudy. Low around 46, with temperatures rising to around 50 overnight. Northwest wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Monday
Mon, Mar 16
56°F
Mostly Sunny
20 mph N
Precipitation: 14%
Mostly sunny, with a high near 56. North wind 20 to 30 mph, with gusts as high as 35 mph.
Monday Night
Mon, Mar 16
43°F
Mostly Cloudy
10 mph N
Precipitation: 0%
Mostly cloudy, with a low around 43. North wind 10 to 20 mph, with gusts as high as 25 mph.
Tuesday
Tue, Mar 17
58°F
Sunny
10 mph E
Precipitation: 0%
Sunny, with a high near 58. East wind around 10 mph.
Tuesday Night
Tue, Mar 17
51°F
Mostly Clear
5 mph SE
Precipitation: 0%
Mostly clear, with a low around 51. Southeast wind 5 to 10 mph.
Wednesday
Wed, Mar 18
68°F
Sunny
5 mph S
Precipitation: 0%
Sunny, with a high near 68. South wind 5 to 10 mph.
Wednesday Night
Wed, Mar 18
59°F
Mostly Clear
5 mph S
Precipitation: 0%
Mostly clear, with a low around 59. South wind 5 to 10 mph.
Thursday
Thu, Mar 19
74°F
Sunny
5 mph SW
Precipitation: 0%
Sunny, with a high near 74.
Thursday Night
Thu, Mar 19
62°F
Clear
5 mph SW
Precipitation: 0%
Clear, with a low around 62.
Friday
Fri, Mar 20
78°F
Sunny
5 mph SW
Precipitation: 0%
Sunny, with a high near 78.
Friday Night
Fri, Mar 20
64°F
Clear
10 mph SW
Precipitation: 0%
Clear, with a low around 64.
Saturday
Sat, Mar 21
80°F
Sunny
5 mph SW
Precipitation: 0%
Sunny, with a high near 80.