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Port Isabel, TX

82°F
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Port Isabel

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Port Isabel, TX Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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5 AM

84°
RealFeel® 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 6%
Chevron down
Mostly clear
alerts

Special Weather Statement

9:14 PM Thursday - 6:00 PM Friday

Heat Index94°

WindS 9 mph

Air QualityFair

Wind Gusts14 mph

Humidity83%

Indoor Humidity83% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover20%

Visibility10 mi

Cloud Ceiling33300 ft

6 AM

83°
RealFeel® 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 6%
Chevron down
Clear
alerts

Special Weather Statement

9:14 PM Thursday - 6:00 PM Friday

Heat Index93°

WindS 8 mph

Air QualityFair

Wind Gusts13 mph

Humidity84%

Indoor Humidity84% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

83°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 4%
Chevron down
Clear
alerts

Special Weather Statement

9:14 PM Thursday - 6:00 PM Friday

Heat Index92°

WindS 8 mph

Air QualityFair

Wind Gusts12 mph

Humidity85%

Indoor Humidity85% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover8%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

84°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Special Weather Statement

9:14 PM Thursday - 6:00 PM Friday

RealFeel Shade™91°

Heat Index94°

WindS 15 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts25 mph

Humidity81%

Indoor Humidity81% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover29%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

86°
RealFeel® 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Special Weather Statement

9:14 PM Thursday - 6:00 PM Friday

RealFeel Shade™94°

Heat Index99°

WindS 16 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts31 mph

Humidity76%

Indoor Humidity76% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

88°
RealFeel® 99°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Special Weather Statement

9:14 PM Thursday - 6:00 PM Friday

RealFeel Shade™95°

Heat Index102°

WindSSE 18 mph

Air QualityFair

Max UV Index3.9 (Moderate)

Wind Gusts33 mph

Humidity71%

Indoor Humidity71% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

90°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Special Weather Statement

9:14 PM Thursday - 6:00 PM Friday

RealFeel Shade™96°

Heat Index104°

WindSSE 20 mph

Air QualityFair

Max UV Index5.9 (High)

Wind Gusts36 mph

Humidity66%

Indoor Humidity66% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover22%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

92°
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

12:00 PM Friday - 7:00 PM Friday
alerts

Special Weather Statement

9:14 PM Thursday - 6:00 PM Friday

RealFeel Shade™97°

Heat Index105°

WindSSE 21 mph

Air QualityFair

Max UV Index8.3 (Very High)

Wind Gusts38 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

93°
RealFeel® 104°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

12:00 PM Friday - 7:00 PM Friday
alerts

Special Weather Statement

9:14 PM Thursday - 6:00 PM Friday

RealFeel Shade™98°

Heat Index107°

WindSSE 21 mph

Air QualityFair

Max UV Index9.4 (Very High)

Wind Gusts39 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover15%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

94°
RealFeel® 105°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

12:00 PM Friday - 7:00 PM Friday
alerts

Special Weather Statement

9:14 PM Thursday - 6:00 PM Friday

RealFeel Shade™99°

Heat Index108°

WindSSE 20 mph

Air QualityFair

Max UV Index8.3 (Very High)

Wind Gusts37 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover12%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

93°
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

12:00 PM Friday - 7:00 PM Friday
alerts

Special Weather Statement

9:14 PM Thursday - 6:00 PM Friday

RealFeel Shade™98°

Heat Index107°

WindSSE 21 mph

Air QualityFair

Max UV Index5.9 (High)

Wind Gusts38 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

92°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

12:00 PM Friday - 7:00 PM Friday
alerts

Special Weather Statement

9:14 PM Thursday - 6:00 PM Friday

RealFeel Shade™98°

Heat Index106°

WindSSE 21 mph

Air QualityFair

Max UV Index3.9 (Moderate)

Wind Gusts39 mph

Humidity62%

Indoor Humidity62% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

91°
RealFeel® 99°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

12:00 PM Friday - 7:00 PM Friday
alerts

Special Weather Statement

9:14 PM Thursday - 6:00 PM Friday

RealFeel Shade™97°

Heat Index106°

WindSE 21 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts39 mph

Humidity64%

Indoor Humidity64% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

89°
RealFeel® 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

12:00 PM Friday - 7:00 PM Friday

RealFeel Shade™95°

Heat Index103°

WindSE 21 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts38 mph

Humidity68%

Indoor Humidity68% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

88°
RealFeel® 96°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™96°

Heat Index102°

WindSSE 20 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts37 mph

Humidity71%

Indoor Humidity71% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

86°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

Heat Index99°

WindSSE 16 mph

Air QualityFair

Wind Gusts35 mph

Humidity77%

Indoor Humidity77% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

86°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

Heat Index99°

WindSSE 15 mph

Air QualityFair

Wind Gusts32 mph

Humidity78%

Indoor Humidity78% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover12%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

86°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

Heat Index99°

WindSSE 14 mph

Air QualityFair

Wind Gusts27 mph

Humidity79%

Indoor Humidity79% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover15%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

85°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

Heat Index98°

WindSSE 13 mph

Air QualityFair

Wind Gusts23 mph

Humidity80%

Indoor Humidity80% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover19%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Port Isabel

AccuWeather's hourly forecast for Port Isabel provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 84° with a RealFeel® of 94°, mostly clear with a 6% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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