HARLINGEN, TX 78553 Weather Forecast & Current Conditions

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HARLINGEN, TX
Current Weather

2:52 PM CDT AUG 19, 2026
Clear
100°F
Feels Like: 110°F
Dewpoint: 72°F
Rel. Hum.: 41%
Visibility: 10 miles
Wind: S at 15 mph, gusts to 20
Pressure: 29.94 inches
Last 72 hours

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HARLINGEN, TX 78553
Weather Forecast

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THIS AFTERNOON
Mostly sunny. Near steady temperature in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 110.
TONIGHT
Partly cloudy. Humid with lows around 80. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 106 early in the evening.
THURSDAY
Sunny with highs in the upper 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 112.
THURSDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Humid with lows around 80. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 107 early in the evening.
FRIDAY
Mostly sunny. Hot with highs around 100. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 111.
FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s.
SATURDAY
Mostly sunny. Hot with highs around 100. Heat index values up to 110.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
SUNDAY
Sunny, hot with highs around 100. Heat index values up to 110.
SUNDAY NIGHT
Mostly clear. Lows in the upper 70s.
MONDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.
MONDAY NIGHT
Mostly clear. Lows in the upper 70s.
TUESDAY
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  8/19/2026
Wednesday
19 AUG 2026
HARLINGEN, TX 78553 weather forecast Day 1, 12 hours 1 PM 97° 105° Partly Cloudy 1%

0% Thunder
( 18% severe)
SSE   14 43% 71°
High 100° HARLINGEN, TX 78553 weather forecast Day 1, 15 hours 4 PM 99° 106° Mostly Cloudy SSE   16 39% 70°
Partly Cloudy



HARLINGEN, TX 78553 weather forecast Day 1, 18 hours 7 PM 92° 100° Partly Cloudy 1%

0% Thunder
( 3% severe)
SSE   17 52% 72°
HARLINGEN, TX 78553 weather forecast Day 1, 21 hours 10 PM 85° 95° Partly Cloudy SSE   13 75% 76°
Thursday
20 AUG 2026
HARLINGEN, TX 78553 weather forecast Day 2, 0 hours 1 AM 83° 92° Partly Cloudy 1%

0% Thunder
( 4% severe)
SSE   10 82% 77°
Low 78° HARLINGEN, TX 78553 weather forecast Day 2, 3 hours 4 AM 82° 90° Partly Cloudy SSE   9 85% 77°
High 102° HARLINGEN, TX 78553 weather forecast Day 2, 6 hours 7 AM 81° 88° Partly Cloudy 1%

0% Thunder
( 10% severe)
SSE   9 88% 77°

Partly Cloudy



HARLINGEN, TX 78553 weather forecast Day 2, 9 hours 10 AM 90° 103° Partly Cloudy SSE   14 66% 77°
HARLINGEN, TX 78553 weather forecast Day 2, 12 hours 1 PM 98° 107° Clear 1%

0% Thunder
( 18% severe)
SSE   17 43% 72°
HARLINGEN, TX 78553 weather forecast Day 2, 15 hours 4 PM 100° 108° Clear SSE   17 38% 70°
HARLINGEN, TX 78553 weather forecast Day 2, 18 hours 7 PM 93° 101° Clear 0%

0% Thunder
( 3% severe)
SSE   18 51% 72°
HARLINGEN, TX 78553 weather forecast Day 2, 21 hours 10 PM 85° 95° Partly Cloudy SE   14 75% 76°
Friday
21 AUG 2026
HARLINGEN, TX 78553 weather forecast Day 3, 0 hours 1 AM 83° 92° Partly Cloudy 0%

0% Thunder
( 3% severe)
SSE   10 82% 77°
Low 78° HARLINGEN, TX 78553 weather forecast Day 3, 3 hours 4 AM 82° 90° Mostly Cloudy SSE   9 85% 77°
High 102° HARLINGEN, TX 78553 weather forecast Day 3, 6 hours 7 AM 80° 86° Partly Cloudy 1%

0% Thunder
( 12% severe)
SSE   8 91% 77°

Partly Cloudy



HARLINGEN, TX 78553 weather forecast Day 3, 9 hours 10 AM 90° 103° Partly Cloudy SSE   12 66% 77°
HARLINGEN, TX 78553 weather forecast Day 3, 15 hours 1 PM 99° 108° Partly Cloudy 0%

0% Thunder
( 20% severe)
SSE   13 41% 71°
HARLINGEN, TX 78553 weather forecast Day 3, 18 hours 4 PM 100° 107° Partly Cloudy SSE   16 37% 69°
HARLINGEN, TX 78553 weather forecast Day 3, 21 hours 7 PM 93° 100° Partly Cloudy     SE   16 49% 71°

HARLINGEN, TX extended weather forecast

Saturday
22 AUG 2026
Sunday
23 AUG 2026
Monday
24 AUG 2026
Tuesday
25 AUG 2026
Wednesday
26 AUG 2026
Low 76° Low 74° Low 76° Low 75° Low 76°
High 99° High 98° High 99° High 97° High 97°
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
12% Rain
Clear
16% Rain
Clear
17% Rain
Clear
13% Rain
Clear
14% Rain
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