HARLINGEN, TX 78553 Weather Forecast & Current Conditions

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HARLINGEN, TX
Current Weather

12:52 PM CDT AUG 1, 2026
Clear
100°F
Feels Like: 111°F
Dewpoint: 73°F
Rel. Hum.: 42%
Visibility: 10 miles
Wind: S at 17 mph, gusts to 25
Pressure: 29.91 inches
Last 72 hours

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HARLINGEN, TX 78553
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Sunny, hot with highs around 101. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 113.
TONIGHT
Mostly clear. Humid with lows in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 110 early in the evening.
SUNDAY
Sunny, hot with highs around 101. Southeast winds 10 to 15 mph. Heat index values up to 112.
SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 109 early in the evening.
MONDAY
Sunny, hot with highs around 101. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 111.
MONDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.
TUESDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.
TUESDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
WEDNESDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.
WEDNESDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
THURSDAY
Mostly sunny. Highs in the upper 90s. Heat index values up to 110.
THURSDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
FRIDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.

Visible Weather Satellite
HARLINGEN, TX 78553
Infrared Weather Satellite
HARLINGEN, TX 78553
NEXRAD Weather Radar
HARLINGEN, TX 78553

HARLINGEN, TX 3 hourly weather forecast

weather forecast created  8:00 AM EDT  8/ 1/2026
Saturday
1 AUG 2026
HARLINGEN, TX 78553 weather forecast Day 1, 12 hours 1 PM 99° 109° Clear 1%

0% Thunder
( 15% severe)
S   13 42% 72°
High 103° HARLINGEN, TX 78553 weather forecast Day 1, 15 hours 4 PM 102° 110° Clear SSE   15 36% 70°
Clear



HARLINGEN, TX 78553 weather forecast Day 1, 18 hours 7 PM 95° 105° Clear 0%

0% Thunder
( 3% severe)
SSE   17 49% 73°
HARLINGEN, TX 78553 weather forecast Day 1, 21 hours 10 PM 85° 95° Clear SSE   15 75% 76°
Sunday
2 AUG 2026
HARLINGEN, TX 78553 weather forecast Day 2, 0 hours 1 AM 82° 91° Clear 1%

0% Thunder
( 2% severe)
S   12 88% 78°
Low 78° HARLINGEN, TX 78553 weather forecast Day 2, 3 hours 4 AM 81° 89° Partly Cloudy S   9 91% 78°
High 103° HARLINGEN, TX 78553 weather forecast Day 2, 6 hours 7 AM 79° 83° Partly Cloudy 2%

0% Thunder
( 7% severe)
S   8 94% 77°

Partly Cloudy

Chance of Rain

HARLINGEN, TX 78553 weather forecast Day 2, 9 hours 10 AM 90° 102° Clear S   8 64% 76°
HARLINGEN, TX 78553 weather forecast Day 2, 12 hours 1 PM 100° 109° Partly Cloudy 23%
RAIN
***
0% Thunder
( 19% severe)
ESE   5 40% 71°
HARLINGEN, TX 78553 weather forecast Day 2, 15 hours 4 PM 100° 108° Partly Cloudy ESE   14 38% 70°
HARLINGEN, TX 78553 weather forecast Day 2, 18 hours 7 PM 95° 103° Partly Cloudy 0%

0% Thunder
( 4% severe)
SE   15 46% 71°
HARLINGEN, TX 78553 weather forecast Day 2, 21 hours 10 PM 85° 93° Clear SSE   13 70% 74°
Monday
3 AUG 2026
HARLINGEN, TX 78553 weather forecast Day 3, 0 hours 1 AM 82° 89° Partly Cloudy 0%

0% Thunder
( 5% severe)
S   10 82% 76°
Low 77° HARLINGEN, TX 78553 weather forecast Day 3, 3 hours 4 AM 80° 85° Partly Cloudy S   9 88% 76°
High 102° HARLINGEN, TX 78553 weather forecast Day 3, 6 hours 7 AM 79° 83° Partly Cloudy 0%

0% Thunder
( 9% severe)
SSE   8 91% 76°

Partly Cloudy



HARLINGEN, TX 78553 weather forecast Day 3, 9 hours 10 AM 89° 99° Partly Cloudy SSE   10 64% 75°
HARLINGEN, TX 78553 weather forecast Day 3, 15 hours 1 PM 99° 106° Partly Cloudy 3%

0% Thunder
( 16% severe)
SSE   13 39% 70°
HARLINGEN, TX 78553 weather forecast Day 3, 18 hours 4 PM 101° 106° Partly Cloudy SSE   17 33% 67°
HARLINGEN, TX 78553 weather forecast Day 3, 21 hours 7 PM 94° 101° Partly Cloudy     SE   18 47% 71°

HARLINGEN, TX extended weather forecast

Tuesday
4 AUG 2026
Wednesday
5 AUG 2026
Thursday
6 AUG 2026
Friday
7 AUG 2026
Saturday
8 AUG 2026
Low 78° Low 77° Low 78° Low 77° Low 76°
High 99° High 99° High 98° High 97° High 98°
HARLINGEN, TX 78553 weather forecast Day 4 HARLINGEN, TX 78553 weather forecast Day 5 HARLINGEN, TX 78553 weather forecast Day 6 HARLINGEN, TX 78553 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Clear
19% Rain
Partly Cloudy
20% Rain
Partly Cloudy
23% Rain
Partly Cloudy
21% Rain
Partly Cloudy
25% Rain
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