HARLINGEN, TX 78553 Weather Forecast & Current Conditions

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HARLINGEN, TX
Current Weather

12:52 AM CDT AUG 19, 2026
Clear
79°F
Feels Like: 83°F
Dewpoint: 75°F
Rel. Hum.: 88%
Visibility: 10 miles
Wind: SE at 8 mph
Pressure: 30.02 inches
Last 72 hours

Local Area Snow Depth

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HARLINGEN, TX 78553
Weather Forecast

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Snow Depth pages
REST OF TONIGHT
Partly cloudy. Near steady temperature in the lower 80s. Southeast winds 5 to 10 mph with gusts up to 20 mph.
WEDNESDAY
Mostly sunny. Humid with highs in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 110.
WEDNESDAY NIGHT
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
Mostly sunny. Hot with highs around 100. Southeast winds 10 to 15 mph with gusts up to 25 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 108 early in the evening.
FRIDAY
Mostly sunny. Hot with highs around 100. Heat index values up to 110.
FRIDAY NIGHT
Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening.
SATURDAY
Mostly sunny. Hot with highs around 100. Heat index values up to 110.
SATURDAY NIGHT
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. Heat index values up to 105 early in the evening.

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 PM EDT  8/18/2026
Wednesday
19 AUG 2026
HARLINGEN, TX 78553 weather forecast Day 1, 0 hours 1 AM 81° 87° Partly Cloudy 0%

0% Thunder
( 2% severe)
SSE   8 82% 75°
Low 78° HARLINGEN, TX 78553 weather forecast Day 1, 3 hours 4 AM 80° 85° Partly Cloudy SE   7 88% 76°
High 101° HARLINGEN, TX 78553 weather forecast Day 1, 6 hours 7 AM 79° 83° Mostly Cloudy 1%

0% Thunder
( 8% severe)
SE   7 88% 75°

Partly Cloudy



HARLINGEN, TX 78553 weather forecast Day 1, 9 hours 10 AM 88° 99° Partly Cloudy SSE   12 68% 76°
HARLINGEN, TX 78553 weather forecast Day 1, 12 hours 1 PM 97° 106° Partly Cloudy 1%

0% Thunder
( 13% severe)
SSE   14 45% 72°
HARLINGEN, TX 78553 weather forecast Day 1, 15 hours 4 PM 99° 106° Partly Cloudy SSE   16 39% 70°
HARLINGEN, TX 78553 weather forecast Day 1, 18 hours 7 PM 93° 102° Partly Cloudy 0%

0% Thunder
( 3% severe)
SSE   17 52% 73°
HARLINGEN, TX 78553 weather forecast Day 1, 21 hours 10 PM 85° 95° Partly Cloudy SSE   14 75% 76°
Thursday
20 AUG 2026
HARLINGEN, TX 78553 weather forecast Day 2, 0 hours 1 AM 83° 92° Partly Cloudy 1%

0% Thunder
( 3% 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 80° 86° Partly Cloudy 3%

0% Thunder
( 9% severe)
SE   8 91% 77°

Partly Cloudy



HARLINGEN, TX 78553 weather forecast Day 2, 9 hours 10 AM 90° 103° Mostly Cloudy SSE   13 66% 77°
HARLINGEN, TX 78553 weather forecast Day 2, 12 hours 1 PM 98° 107° Partly Cloudy 2%

0% Thunder
( 20% severe)
SSE   15 43% 72°
HARLINGEN, TX 78553 weather forecast Day 2, 15 hours 4 PM 100° 109° Partly Cloudy SSE   17 40% 71°
HARLINGEN, TX 78553 weather forecast Day 2, 18 hours 7 PM 93° 102° Partly Cloudy 0%

0% Thunder
( 5% severe)
SE   17 52% 73°
HARLINGEN, TX 78553 weather forecast Day 2, 21 hours 10 PM 85° 95° Partly Cloudy SE   14 75% 76°

HARLINGEN, TX extended weather forecast

Friday
21 AUG 2026
Saturday
22 AUG 2026
Sunday
23 AUG 2026
Monday
24 AUG 2026
Tuesday
25 AUG 2026
Low 79° Low 76° Low 74° Low 76° Low 75°
High 100° High 99° High 98° High 99° High 97°
HARLINGEN, TX 78553 weather forecast Day 3 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
Clear
11% Rain
Clear
12% Rain
Clear
16% Rain
Clear
17% Rain
Clear
13% Rain
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