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High risk for severe weather in the central, eastern US. Get the forecast details. Chevron right
March megastorm: Blizzard, dangerous winds. Get the forecast. Chevron right

Port Isabel, TX

83°F
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Port Isabel

Texas

83°
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Port Isabel, TX Weather
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4 PM

85°
RealFeel® 86°
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.
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rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™84°

WindS 22 mph

Air QualityPoor

Max UV Index3.5 (Moderate)

Wind Gusts38 mph

Humidity59%

Indoor Humidity59% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover15%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

84°
RealFeel® 84°
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 0%
Chevron down
Mostly sunny

RealFeel Shade™83°

WindS 22 mph

Air QualityPoor

Max UV Index2.1 (Low)

Wind Gusts36 mph

Humidity62%

Indoor Humidity62% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover15%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

82°
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 0%
Chevron down
Mostly sunny

RealFeel Shade™81°

WindS 20 mph

Air QualityPoor

Max UV Index1.0 (Low)

Wind Gusts33 mph

Humidity67%

Indoor Humidity67% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

80°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
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rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™80°

WindS 18 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts30 mph

Humidity71%

Indoor Humidity71% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

78°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSSE 17 mph

Air QualityPoor

Wind Gusts30 mph

Humidity79%

Indoor Humidity79% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

75°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSSE 15 mph

Air QualityPoor

Wind Gusts31 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

73°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Red Flag Warning

10:00 PM Sunday - 7:00 PM Monday
alerts

Wind Advisory

10:00 PM Sunday - 1:00 PM Monday

WindS 13 mph

Air QualityPoor

Wind Gusts28 mph

Humidity93%

Indoor Humidity93% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover14%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

70°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy
alerts

Red Flag Warning

10:00 PM Sunday - 7:00 PM Monday
alerts

Wind Advisory

10:00 PM Sunday - 1:00 PM Monday

WindS 14 mph

Air QualityPoor

Wind Gusts24 mph

Humidity100%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover42%

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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