Forecast

    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

    SUN19:00
    70°F
    Mostly Clear
    Dewpoint:16.7°Precip:0%Humidity:76%Wind:15 mph SE
    SUN20:00
    69°F
    Mostly Clear
    Dewpoint:17.2°Precip:0%Humidity:81%Wind:15 mph SE
    SUN21:00
    68°F
    Mostly Clear
    Dewpoint:17.2°Precip:0%Humidity:84%Wind:15 mph SE
    SUN22:00
    68°F
    Partly Cloudy
    Dewpoint:17.2°Precip:0%Humidity:84%Wind:15 mph SE
    SUN23:00
    69°F
    Partly Cloudy
    Dewpoint:17.8°Precip:0%Humidity:84%Wind:15 mph S
    SUN00:00
    69°F
    Partly Cloudy
    Dewpoint:17.8°Precip:0%Humidity:84%Wind:15 mph S
    SUN01:00
    69°F
    Partly Cloudy
    Dewpoint:18.3°Precip:0%Humidity:87%Wind:15 mph S
    SUN02:00
    69°F
    Mostly Cloudy
    Dewpoint:18.3°Precip:0%Humidity:87%Wind:15 mph S
    SUN03:00
    69°F
    Mostly Cloudy
    Dewpoint:18.3°Precip:0%Humidity:87%Wind:15 mph S
    SUN04:00
    68°F
    Mostly Cloudy
    Dewpoint:18.3°Precip:0%Humidity:90%Wind:15 mph S
    SUN05:00
    69°F
    Partly Cloudy
    Dewpoint:18.3°Precip:0%Humidity:87%Wind:15 mph S
    SUN06:00
    69°F
    Mostly Sunny
    Dewpoint:18.3°Precip:0%Humidity:87%Wind:15 mph S
    SUN07:00
    69°F
    Mostly Cloudy
    Dewpoint:18.3°Precip:0%Humidity:87%Wind:15 mph S
    SUN08:00
    70°F
    Mostly Cloudy
    Dewpoint:18.9°Precip:0%Humidity:87%Wind:20 mph S
    SUN09:00
    71°F
    Partly Sunny
    Dewpoint:18.9°Precip:0%Humidity:84%Wind:20 mph S
    SUN10:00
    72°F
    Mostly Sunny
    Dewpoint:19.4°Precip:1%Humidity:84%Wind:20 mph S
    SUN11:00
    73°F
    Mostly Sunny
    Dewpoint:19.4°Precip:2%Humidity:81%Wind:20 mph S
    SUN12:00
    73°F
    Mostly Sunny
    Dewpoint:19.4°Precip:1%Humidity:81%Wind:20 mph S
    SUN13:00
    74°F
    Mostly Sunny
    Dewpoint:19.4°Precip:1%Humidity:79%Wind:20 mph S
    SUN14:00
    74°F
    Mostly Sunny
    Dewpoint:20°Precip:1%Humidity:82%Wind:25 mph S
    SUN15:00
    74°F
    Mostly Sunny
    Dewpoint:20.6°Precip:2%Humidity:84%Wind:25 mph S
    SUN16:00
    74°F
    Partly Sunny
    Dewpoint:20.6°Precip:2%Humidity:84%Wind:25 mph S
    SUN17:00
    74°F
    Partly Sunny
    Dewpoint:20.6°Precip:2%Humidity:84%Wind:25 mph SW
    SUN18:00
    75°F
    Mostly Cloudy
    Dewpoint:20.6°Precip:6%Humidity:82%Wind:20 mph SW

    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.

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