Nearby Harbors
26.0600’ N, 97.2150’ W

Port Isabel, TX

79°
H -°
L 75°
NE
12mph
Low tide
6:02 pm
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Port Isabel, TX Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Nov 4 		Mostly Clear
Close Hourly 		-º / 75º 14% E 12 mph 75%
4pm Sunny 79º 1% NE 12 mph 65%
5pm Sunny 78º 1% NE 11 mph 67%
6pm Clear 77º 1% ENE 10 mph 70%
7pm Clear 76º 1% ENE 9 mph 70%
8pm Clear 76º 1% ENE 8 mph 71%
9pm Clear 76º 1% E 8 mph 73%
10pm Clear 76º 2% E 7 mph 75%
11pm Clear 76º 4% ESE 7 mph 76%
Thu
Nov 5 		Partly Cloudy
View Hourly 		85º / 73º 24% SE 13 mph 77%
12am Clear 76º 4% ESE 7 mph 77%
1am Mostly Clear 76º 5% ESE 7 mph 79%
2am Partly Cloudy 76º 7% ESE 7 mph 81%
3am Partly Cloudy 76º 7% ESE 6 mph 82%
4am Mostly Cloudy 76º 11% ESE 7 mph 84%
5am Partly Cloudy 76º 13% SE 6 mph 84%
6am Partly Cloudy 76º 15% SE 5 mph 86%
7am Mostly Cloudy 76º 24% ESE 6 mph 88%
8am Mostly Cloudy 79º 11% SE 7 mph 86%
9am Partly Cloudy 81º 16% SE 9 mph 81%
10am Partly Cloudy 83º 24% SSE 10 mph 74%
11am Mostly Cloudy 84º 24% SSE 11 mph 73%
12pm Partly Cloudy 85º 20% SE 12 mph 72%
1pm Partly Cloudy 85º 22% SE 13 mph 72%
2pm Partly Cloudy 84º 21% SE 12 mph 72%
3pm Partly Cloudy 85º 16% SE 13 mph 72%
4pm Mostly Sunny 84º 8% SE 12 mph 74%
5pm Partly Cloudy 83º 7% SE 12 mph 78%
6pm Partly Cloudy 81º 8% SE 9 mph 83%
7pm Partly Cloudy 80º 8% SE 8 mph 85%
8pm Partly Cloudy 80º 11% SE 7 mph 86%
9pm Partly Cloudy 79º 11% SE 6 mph 88%
10pm Partly Cloudy 79º 17% SE 5 mph 88%
11pm Partly Cloudy 79º 24% SE 4 mph 88%
Fri
Nov 6 		Thunderstorms
View Hourly 		80º / 73º 79% NNE 14 mph 82%
12am Isolated Thunderstorms 78º 32% SSE 4 mph 89%
1am Scattered Thunderstorms 78º 39% S 3 mph 90%
2am Scattered Thunderstorms 77º 41% NW 3 mph 90%
3am Scattered Thunderstorms 77º 53% N 4 mph 90%
4am Scattered Thunderstorms 76º 55% N 4 mph 90%
5am Thunderstorms 75º 61% NNW 4 mph 91%
6am Thunderstorms 75º 63% N 5 mph 92%
7am Scattered Thunderstorms 74º 57% N 4 mph 93%
8am Thunderstorms 75º 72% N 5 mph 94%
9am Thunderstorms 77º 79% NNE 8 mph 87%
10am Showers 78º 59% NNE 10 mph 81%
11am Showers 79º 48% NNE 10 mph 78%
12pm Few Showers 80º 34% NNE 12 mph 77%
1pm Few Showers 80º 31% NNE 13 mph 77%
2pm Few Showers 79º 33% NNE 13 mph 77%
3pm Cloudy 79º 17% NNE 14 mph 77%
Sat
Nov 7 		Thunderstorms 80º / 70º 71% E 15 mph 78%
Sun
Nov 8 		Thunderstorms 75º / 66º 97% ENE 19 mph 86%
Mon
Nov 9 		Showers 72º / 66º 55% N 17 mph 84%
Tue
Nov 10 		Mostly Cloudy 76º / 68º 24% N 11 mph 75%
Wed
Nov 11 		AM Showers 78º / 68º 37% NE 11 mph 78%

Weather Radar for Port Isabel, TX See Radar

See Radar Map

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Port Isabel, TX

This Afternoon
High : 77ºF
NE wind 11 to 14 kt. Sunny. Seas 1 ft or less.
Tonight
Low : 75ºF
ENE wind 7 to 10 kt becoming SSE after midnight. Mostly clear. Seas 1 ft or less.
Thursday
High : 82ºF
SSE wind 7 to 13 kt. Mostly sunny. Seas 1 ft or less.
Thursday Night
Low : 74ºF
SE wind 5 to 10 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Seas 1 ft or less.
Friday
High : 77ºF
NW wind 5 to 10 kt becoming N 13 to 18 kt in the afternoon. Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Seas 1 ft or less.
Friday Night
Low : 72ºF
NNE wind 10 to 14 kt. A chance of showers, mainly after midnight. Seas 1 ft or less.
Saturday
High : 77ºF
NE wind 12 to 16 kt. Showers likely, mainly after noon. Seas 1 ft or less.
Saturday Night
Low : 70ºF
NE wind 13 to 15 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Sunday
High : 74ºF
NNE wind 16 to 23 kt. Showers and possibly a thunderstorm. 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

    WednesdayThursdayFriday
    Wind Speed (MPH) 1287771212744512
    10pm2am6am10am2pm6pm10pm2am6am10am2pm6pm
    MPH 1287771212744512
    DIR NEENEESEESESESESESESSENNNNE

    Current Weather Conditions In Port Isabel, TX

    As Of: 10 minutes ago

    • 79ºF
    • 82ºF
    • 12mph
    • 0º (NE)
    • 17mph
    • Sunny
    • 10mi
    • 29.88"
    • 65%
    • 0ºF

    The weather right now in Port Isabel, TX is Sunny. The current temperature is 79°F, and the expected high and low for today, Wednesday, November 4, 2026, are -° high temperature and 75°F low temperature. The wind is currently blowing at 12 miles per hour, and coming from the Northeast. The wind is gusting to 17 mph. With the wind and the atmosphere the temperature feels like 82° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 65 percent, and air pressure at 29.88 in. Visibility is 10 nautical miles. There are no current weather alert(s).

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