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Tropical Storm Erick in Eastern Pacific may rapidly strengthen Chevron right
Extreme heat expands across Central US; some temps to top 100 degrees Chevron right

Port Isabel, TX

81°F
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Port Isabel

Texas

81°
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Port Isabel, TX Weather
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 Daily Radar MinuteCast Monthly Air Quality Health & Activities

7 AM

82°
RealFeel® 89°
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
Mostly sunny

RealFeel Shade™89°

WindS 16 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts22 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

83°
RealFeel® 91°
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 7%
Chevron down
Mostly sunny

RealFeel Shade™89°

WindS 17 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts24 mph

Humidity85%

Indoor Humidity85% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 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 7%
Chevron down
Mostly sunny

RealFeel Shade™90°

WindSSE 17 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts25 mph

Humidity81%

Indoor Humidity81% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

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 7%
Chevron down
Mostly sunny

RealFeel Shade™91°

WindSSE 18 mph

Air QualityPoor

Max UV Index5 (Moderate)

Wind Gusts28 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

87°
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 7%
Chevron down
Mostly sunny

RealFeel Shade™92°

WindSSE 20 mph

Air QualityPoor

Max UV Index8 (Very High)

Wind Gusts29 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

88°
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 7%
Chevron down
Mostly sunny

RealFeel Shade™93°

WindSSE 21 mph

Air QualityPoor

Max UV Index11 (Extreme)

Wind Gusts29 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

89°
RealFeel® 98°
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 5%
Chevron down
Mostly sunny

RealFeel Shade™94°

WindSSE 22 mph

Air QualityPoor

Max UV Index13 (Extreme)

Wind Gusts30 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

90°
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

RealFeel Shade™95°

WindSSE 20 mph

Air QualityPoor

Max UV Index11 (Extreme)

Wind Gusts28 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

89°
RealFeel® 98°
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™94°

WindSSE 21 mph

Air QualityPoor

Max UV Index8 (Very High)

Wind Gusts27 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

89°
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™93°

WindSSE 21 mph

Air QualityFair

Max UV Index5 (Moderate)

Wind Gusts27 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

88°
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 sunny

RealFeel Shade™93°

WindSSE 20 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts25 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

87°
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 0%
Chevron down
Mostly sunny

RealFeel Shade™92°

WindSSE 20 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts25 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

86°
RealFeel® 92°
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™92°

WindSSE 18 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts24 mph

Humidity73%

Indoor Humidity73% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

85°
RealFeel® 91°
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

RealFeel Shade™91°

WindSSE 20 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts27 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

84°
RealFeel® 91°
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
Clear

WindSE 17 mph

Air QualityFair

Wind Gusts27 mph

Humidity81%

Indoor Humidity81% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

83°
RealFeel® 91°
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
Clear

WindSE 16 mph

Air QualityFair

Wind Gusts27 mph

Humidity84%

Indoor Humidity84% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

83°
RealFeel® 91°
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
Clear

WindSSE 16 mph

Air QualityFair

Wind Gusts27 mph

Humidity84%

Indoor Humidity84% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover8%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Texas Port Isabel

Weather Near Port Isabel:

  • Brownsville, TX
  • Edinburg, TX
  • McAllen, TX
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