Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe weather to focus on central U.S. into the start of April. See the forecast. Chevron right
Snow and ice to kick off April from Minnesota to Maine. Get the forecast. Chevron right

Port Isabel, TX

74°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Port Isabel

Texas

74°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Port Isabel, TX Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today

Hourly

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

3 AM

73°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

WindSSE 16 mph

Air QualityFair

Wind Gusts20 mph

Humidity90%

Indoor Humidity90% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover58%

Visibility10 mi

Cloud Ceiling7100 ft

4 AM

72°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindSSE 16 mph

Air QualityFair

Wind Gusts20 mph

Humidity91%

Indoor Humidity91% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling3700 ft

5 AM

72°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

WindSSE 16 mph

Air QualityFair

Wind Gusts18 mph

Humidity91%

Indoor Humidity91% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover83%

Visibility10 mi

Cloud Ceiling3100 ft

6 AM

72°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

WindSSE 15 mph

Air QualityFair

Wind Gusts18 mph

Humidity91%

Indoor Humidity91% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover72%

Visibility10 mi

Cloud Ceiling2500 ft

7 AM

72°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

WindSSE 15 mph

Air QualityFair

Wind Gusts17 mph

Humidity89%

Indoor Humidity89% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling2000 ft

8 AM

73°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™73°

WindSE 17 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts21 mph

Humidity88%

Indoor Humidity88% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling2500 ft

9 AM

74°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™73°

WindSE 20 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts24 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling3100 ft

10 AM

76°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™75°

WindSE 21 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts29 mph

Humidity80%

Indoor Humidity80% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover73%

Visibility10 mi

Cloud Ceiling3700 ft

11 AM

77°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™76°

WindSE 22 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts31 mph

Humidity77%

Indoor Humidity77% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover72%

Visibility10 mi

Cloud Ceiling4800 ft

12 PM

78°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™77°

WindSE 22 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts35 mph

Humidity75%

Indoor Humidity75% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover68%

Visibility10 mi

Cloud Ceiling5900 ft

1 PM

79°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™78°

WindSE 23 mph

Air QualityFair

Max UV Index5.2 (Moderate)

Wind Gusts38 mph

Humidity73%

Indoor Humidity73% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling7100 ft

2 PM

80°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™78°

WindSE 22 mph

Air QualityFair

Max UV Index5.2 (Moderate)

Wind Gusts37 mph

Humidity71%

Indoor Humidity71% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14700 ft

3 PM

81°
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™79°

WindSE 23 mph

Air QualityFair

Max UV Index4.8 (Moderate)

Wind Gusts37 mph

Humidity68%

Indoor Humidity68% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover64%

Visibility10 mi

Cloud Ceiling22400 ft

4 PM

80°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™78°

WindSE 23 mph

Air QualityFair

Max UV Index3.7 (Moderate)

Wind Gusts37 mph

Humidity71%

Indoor Humidity71% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

79°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™77°

WindSE 22 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts36 mph

Humidity73%

Indoor Humidity73% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover63%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

78°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™76°

WindSE 22 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts35 mph

Humidity76%

Indoor Humidity76% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover62%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

76°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 5%
Chevron down
Intermittent clouds

RealFeel Shade™75°

WindSE 21 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts32 mph

Humidity80%

Indoor Humidity80% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

75°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindSE 20 mph

Air QualityFair

Wind Gusts27 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling25000 ft

9 PM

75°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindSE 17 mph

Air QualityFair

Wind Gusts23 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling20100 ft

10 PM

74°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindSE 16 mph

Air QualityFair

Wind Gusts20 mph

Humidity88%

Indoor Humidity88% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling15100 ft

11 PM

74°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindSE 16 mph

Air QualityFair

Wind Gusts20 mph

Humidity90%

Indoor Humidity90% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling15100 ft

Further Ahead

Tomorrow

Thursday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Pre-Easter severe storms, flooding downpours to focus on central US

30 minutes ago

Winter Weather

Ice and snow to bring power outage, travel risks to northern U.S.

12 hours ago

Astronomy

April’s full Pink moon rises April 1: Here’s when to watch

3 days ago

Weather Forecasts

Series of storms to usher in rain, cooler air to the West

29 minutes ago

Astronomy

Artemis II: Weather ‘go’ for historic moon launch

16 hours ago

 More Stories

Featured Stories

Astronomy

Artemis II: What to know about this historic moon mission

19 hours ago

Recreation

DC cherry blossoms reach peak bloom early

4 days ago

Astronomy

April's back-to-back astronomy events include 1st meteor shower in mon...

3 days ago

Astronomy

Everything's bigger on Jupiter, including its lightning bolts

3 days ago

Economic Impact

Gas prices surge nearly $1 in a month as EV charging holds steady

3 days ago
World North America United States Texas Port Isabel

Weather Near Port Isabel:

  • Brownsville, TX
  • Edinburg, TX
  • McAllen, TX
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...