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100-degree heat dome to set up shop over southern US. Get the forecast Chevron right

Port Harlingen, TX

78°F
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Port Harlingen

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Port Harlingen, TX Weather
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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Thursday, August 21

Day

8/21
97°Hi
RealFeel® 113°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
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
RealFeel Shade™ 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
Very warm and humid with plenty of sun

Max UV Index11 (Extreme)

WindSE 7 mph

Wind Gusts17 mph

Probability of Precipitation5%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover4%

Night

8/21
76°Lo
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
Clear

WindSE 10 mph

Wind Gusts18 mph

Probability of Precipitation10%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover8%

Sun & Moon

12 hrs 55 mins
Rise 7:06 AM
Set 8:01 PM
Waning Crescent
Rise 5:24 AM
Set 7:18 PM

Temperature History

8/21
High
Low
Forecast
97°
76°
Average
97°
75°
Last Year
101°
77°
Record
104°
1930
66°
1931

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World North America United States Texas Port Harlingen

Weather Near Port Harlingen:

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