26.0600’ N, 97.2150’ W

Port Isabel, TX

84°
H -°
L 79°
ESE
7mph
High tide
3:45 am

Port Isabel, TX Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Sep 19
Mostly Clear -º / 79º 8% ESE 7 mph 82%
Sun
Sep 20
Mostly Sunny
View Hourly
91º / 82º 21% NE 15 mph 70%
12am Clear 84º 2% ESE 7 mph 77%
1am Partly Cloudy 83º 2% ESE 6 mph 80%
2am Partly Cloudy 82º 2% SE 5 mph 82%
3am Partly Cloudy 81º 2% SE 3 mph 85%
4am Partly Cloudy 81º 2% SE 3 mph 86%
5am Mostly Clear 80º 3% ESE 3 mph 87%
6am Mostly Clear 80º 6% NNW 2 mph 87%
7am Mostly Clear 80º 9% N 2 mph 87%
8am Mostly Sunny 81º 7% N 2 mph 86%
9am Mostly Sunny 84º 7% NW 3 mph 77%
10am Mostly Sunny 87º 5% NE 5 mph 70%
11am Mostly Sunny 88º 4% NE 7 mph 65%
12pm Partly Cloudy 90º 3% ENE 9 mph 63%
1pm Partly Cloudy 90º 1% ENE 10 mph 62%
2pm Partly Cloudy 90º 21% ENE 12 mph 62%
3pm Partly Cloudy 89º 21% E 13 mph 66%
4pm Partly Cloudy 89º 8% E 13 mph 68%
5pm Partly Cloudy 89º 2% E 14 mph 67%
6pm Partly Cloudy 89º 3% E 14 mph 69%
7pm Partly Cloudy 87º 3% E 14 mph 73%
8pm Partly Cloudy 86º 4% E 13 mph 76%
9pm Partly Cloudy 85º 4% E 12 mph 78%
10pm Partly Cloudy 85º 5% ESE 10 mph 78%
11pm Partly Cloudy 85º 6% ESE 9 mph 79%
Mon
Sep 21
Partly Cloudy
View Hourly
91º / 81º 13% E 15 mph 70%
12am Partly Cloudy 84º 7% ESE 8 mph 79%
1am Mostly Cloudy 84º 13% ESE 7 mph 79%
2am Mostly Cloudy 84º 8% ESE 6 mph 81%
3am Partly Cloudy 84º 14% SE 5 mph 81%
4am Partly Cloudy 83º 20% ESE 5 mph 82%
5am Partly Cloudy 83º 9% ESE 4 mph 83%
6am Mostly Cloudy 83º 8% ESE 3 mph 84%
7am Mostly Cloudy 83º 11% ESE 3 mph 83%
8am Partly Cloudy 83º 14% E 3 mph 84%
9am Partly Cloudy 85º 11% ESE 5 mph 78%
10am Partly Cloudy 87º 9% ESE 7 mph 71%
11am Partly Cloudy 89º 10% E 8 mph 67%
12pm Partly Cloudy 90º 5% E 10 mph 65%
1pm Mostly Sunny 90º 5% E 11 mph 63%
2pm Sunny 90º 4% E 12 mph 64%
3pm Sunny 90º 2% E 13 mph 65%
4pm Sunny 90º 7% E 14 mph 65%
5pm Sunny 89º 3% E 14 mph 66%
6pm Sunny 88º 3% E 15 mph 68%
7pm Sunny 87º 3% E 14 mph 71%
8pm Clear 86º 4% E 13 mph 75%
9pm Partly Cloudy 85º 4% E 12 mph 77%
10pm Clear 85º 4% E 11 mph 77%
11pm Partly Cloudy 85º 4% ESE 9 mph 77%
Tue
Sep 22
Mostly Sunny 91º / 81º 18% ENE 16 mph 69%
Wed
Sep 23
AM Showers 91º / 81º 42% ENE 16 mph 68%
Thu
Sep 24
AM Showers 90º / 81º 41% ENE 16 mph 70%
Fri
Sep 25
AM Showers 90º / 80º 41% ENE 16 mph 70%
Sat
Sep 26
AM Showers 90º / 80º 31% ENE 15 mph 70%

Weather Radar for Port Isabel, TX See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Port Isabel, TX

Tonight
Low : 81ºF
E wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Sunday
High : 87ºF
Variable winds less than 5 kt becoming ENE 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.
Sunday Night
Low : 82ºF
E wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
Monday
High : 87ºF
Variable winds less than 5 kt becoming E 6 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.
Monday Night
Low : 82ºF
E wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Clear. Seas 1 ft or less.
Tuesday
High : 87ºF
Variable winds less than 5 kt becoming ENE 7 to 12 kt in the morning. A chance of showers and thunderstorms. Seas 1 ft or less.
Tuesday Night
Low : 83ºF
E wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Wednesday
High : 87ºF
ENE wind 5 to 13 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Wednesday Night
Low : 82ºF
E wind 6 to 12 kt. A chance of showers and thunderstorms, mainly after 1am. Seas 1 ft or less.

NOAA Buoy Data Near Port Isabel, TX See Map

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    Wind Speed Forecast for Port Isabel, TX

    SundayMondayTuesday
    Wind Speed (MPH) 73291313853101413
    5am9am1pm5pm9pm1am5am9am1pm5pm9pm1am
    MPH 73291313853101413
    DIR ESESENENEEEESEESEEEEE

    Current Weather Conditions In Port Isabel, TX

    As Of: 9 minutes ago

    • 84ºF
    • 93ºF
    • 7mph
    • 0º (ESE)
    • 7mph
    • Clear
    • 10mi
    • 29.90"
    • 77%
    • 0ºF

    The weather right now in Port Isabel, TX is Clear. The current temperature is 84°F, and the expected high and low for today, Sunday, September 20, 2026, are -° high temperature and 79°F low temperature. The wind is currently blowing at 7 miles per hour, and coming from the East Southeast. The wind is gusting to 7 mph. With the wind and the atmosphere the temperature feels like 93° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 77 percent, and air pressure at 29.9 in. Visibility is 10 nautical miles. There are no current weather alert(s).