Weather forecast for 10 days
Port Isabel, TX

Weather forecast for the weekend

Saturday, May 3.

Thunderstorms
6:48 am

8:02 pm
CDT
Thunderstorms
79°F / 73°F
  • Wind: 14mph ENE
  • Humidity: 83%
  • Precip. probability: 70%
  • Precipitation: 0.63"
  • UV index: 5
Tomorrow, thunderstorms may develop under unsettled skies.
With a high probability, moderate precipitation is forecasted. Minor variations in temperature are predicted, peaking at a temperate 78.8°F and slightly dropping to a low of a moderately hot 73.4°F.
Tomorrow, the forecasted maximum temperature should be consistent with May's typical high of 81.9°F.
Sunrise will be at 6:48 am and sunset at 8:02 pm; tomorrow's daylight will last for 13h and 14min.

Sunday, May 4.

Cloudy
6:47 am

8:03 pm
CDT
Cloudy
81°F / 75°F
  • Wind: 16mph E
  • Humidity: 77%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 7
On Sunday, in Port Isabel, widespread cloud cover is expected.
Rainfall is not anticipated. A daytime temperature reaching up to a moderately hot 80.6°F will subtly contrast with a nighttime low of a warm 75.2°F.
Sunday's peak is anticipated to reflect the usual May high temperature of 81.9°F.
Sunrise will be at 6:47 am and sunset at 8:03 pm; the daylight will last for 13h and 16min.

Frequently asked questions

What is the weather forecast for Port Isabel for tomorrow?
On Saturday, thunderstorms are expected.
Will it rain tomorrow?
Moderate precipitation of 0.63" is anticipated. The possibility of rainfall is 70%.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 78.8°F, while the minimum temperature will be 73.4°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in May. The lowest temperature tomorrow will be also in line with the average low temperature.
When are sunrise and sunset tomorrow?
On Saturday, in Port Isabel, sunrise will be at 6:48 am and sunset at 8:02 pm (CDT).
How long will the day be tomorrow?
In Port Isabel, tomorrow, there will be 13h and 14min of daylight.
What is the weather forecast for Port Isabel for Sunday?
On Sunday, the sky will be blanketed in clouds.
Will it rain on Sunday?
No, it will not rain on Sunday in Port Isabel, Texas.
What will be the highest temperature on Sunday?
On Sunday, the highest temperature will be 80.6°F, while the lowest temperature will be 75.2°F.
What is the weather forecast for Port Isabel for the next ten days?
In Port Isabel, a combination of predominantly gloomy and occasionally stormy and sun-filled weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted for Saturday and Thursday in Port Isabel. With moderate precipitation of 0.63", Saturday will be the day with the most rainfall.
How hot will it be in the next ten days in Port Isabel?
The maximum temperature will vary between 78.8°F and 87.8°F, while the minimum temperature will range between 69.8°F and 77°F.
Including the humidity's impact, the maximum feel-like temperature will vary between 78.8°F and 104°F.
What will be the hottest and the coldest days?
With the maximum temperature of 87.8°F, Tuesday will be the hottest day. The coldest day will be tomorrow, with a maximum of 78.8°F.

Long-term weather forecast

FriMay 2.
  • 84°F
  • 75°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Wind: 21mph SE
  • Humidity: 70%
  • UV index: 10
  • Precip. probability: 3%
  • Precipitation: 0"
  • 6:49 am 8:02 pm CDT
SatMay 3.
  • 79°F
  • 73°F
Thunderstorms
Thunderstorms
  • Wind: 14mph ENE
  • Humidity: 83%
  • UV index: 5
  • Precip. probability: 70%
  • Precipitation: 0.63"
  • 6:48 am 8:02 pm CDT
SunMay 4.
  • 81°F
  • 75°F
Cloudy
Cloudy
  • Wind: 16mph E
  • Humidity: 77%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:47 am 8:03 pm CDT
MonMay 5.
  • 82°F
  • 77°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 20mph SE
  • Humidity: 82%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:47 am 8:03 pm CDT
TueMay 6.
  • 88°F
  • 77°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Wind: 21mph SSE
  • Humidity: 78%
  • UV index: 11
  • Precip. probability: 13%
  • Precipitation: 0"
  • 6:46 am 8:04 pm CDT
WedMay 7.
  • 86°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph ESE
  • Humidity: 82%
  • UV index: 11
  • Precip. probability: 20%
  • Precipitation: 0"
  • 6:45 am 8:05 pm CDT
ThuMay 8.
  • 81°F
  • 72°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 16mph NE
  • Humidity: 85%
  • UV index: 9
  • Precip. probability: 43%
  • Precipitation: 0.2"
  • 6:45 am 8:05 pm CDT
FriMay 9.
  • 82°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph NNE
  • Humidity: 67%
  • UV index: 10
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:44 am 8:06 pm CDT
SatMay 10.
  • 82°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph NNE
  • Humidity: 64%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:43 am 8:06 pm CDT
SunMay 11.
  • 84°F
  • 73°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph E
  • Humidity: 63%
  • UV index: 11
  • Precip. probability: 9%
  • Precipitation: 0"
  • 6:43 am 8:07 pm CDT
For the next ten days, a combination of primarily cloud-filled and occasionally unstable and mostly clear weather is predicted.
Rainfall is predicted for Saturday and Thursday.
In the coming days, the maximum temperature will range between 78.8°F and 87.8°F, while the minimum temperature is forecast to range between 69.8°F and 77°F.
Tuesday is expected to be the hottest, reaching up to 87.8°F; the coldest day will be Saturday, with a maximum of 78.8°F.
Including the humidity's impact, the maximum feel-like temperature may increase substantially and vary between 78.8°F and a torridly hot 104°F.
Updated: May 2, 2025 @ 17:21:34 UTC
Published by: Weather U.S. | About Us
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