HARLINGEN, TX 78553 Weather Forecast & Current Conditions

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HARLINGEN, TX
Current Weather

1:52 PM CDT JUL 21, 2026
Clear
100°F
Feels Like: 104°F
Dewpoint: 66°F
Rel. Hum.: 33%
Visibility: 10 miles
Wind: S at 10 mph
Pressure: 29.90 inches
Last 72 hours

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HARLINGEN, TX 78553
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Sunny, hot. Near steady temperature around 100. Southeast winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 110.
TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. South winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 107 early in the evening.
WEDNESDAY
Mostly sunny. Hot with highs around 103. South winds 10 to 15 mph. Heat index values up to 111.
WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. South winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 107 early in the evening.
THURSDAY
Mostly sunny. Hot with highs around 100. South winds 10 to 15 mph. Heat index values up to 109.
THURSDAY NIGHT
Partly cloudy. 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.
FRIDAY NIGHT
Mostly clear. Lows in the upper 70s.
SATURDAY
Sunny. Highs in the upper 90s. 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. Highs in the upper 90s. Heat index values up to 110.
SUNDAY NIGHT
Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
MONDAY
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  7/21/2026
Tuesday
21 JUL 2026
HARLINGEN, TX 78553 weather forecast Day 1, 12 hours 1 PM 101° 108° Clear 1%

0% Thunder
( 9% severe)
SSE   12 35% 68°
High 105° HARLINGEN, TX 78553 weather forecast Day 1, 15 hours 4 PM 104° 111° Partly Cloudy SSE   15 32% 68°
Partly Cloudy



HARLINGEN, TX 78553 weather forecast Day 1, 18 hours 7 PM 95° 102° Partly Cloudy 0%

0% Thunder
( 2% severe)
SSE   16 45% 70°
HARLINGEN, TX 78553 weather forecast Day 1, 21 hours 10 PM 83° 89° Partly Cloudy SSE   12 72% 73°
Wednesday
22 JUL 2026
HARLINGEN, TX 78553 weather forecast Day 2, 0 hours 1 AM 79° 83° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   9 88% 75°
Low 74° HARLINGEN, TX 78553 weather forecast Day 2, 3 hours 4 AM 77° 78° Partly Cloudy S   8 94% 75°
High 104° HARLINGEN, TX 78553 weather forecast Day 2, 6 hours 7 AM 75° 75° Partly Cloudy 1%

0% Thunder
( 3% severe)
S   7 97% 74°

Partly Cloudy



HARLINGEN, TX 78553 weather forecast Day 2, 9 hours 10 AM 89° 98° Partly Cloudy S   8 61% 74°
HARLINGEN, TX 78553 weather forecast Day 2, 12 hours 1 PM 101° 105° Partly Cloudy 2%

0% Thunder
( 9% severe)
S   7 32% 66°
HARLINGEN, TX 78553 weather forecast Day 2, 15 hours 4 PM 104° 110° Partly Cloudy ESE   13 30% 66°
HARLINGEN, TX 78553 weather forecast Day 2, 18 hours 7 PM 96° 102° Partly Cloudy 0%

0% Thunder
( 3% severe)
SSE   16 42% 69°
HARLINGEN, TX 78553 weather forecast Day 2, 21 hours 10 PM 84° 90° Partly Cloudy SSE   13 70% 73°
Thursday
23 JUL 2026
HARLINGEN, TX 78553 weather forecast Day 3, 0 hours 1 AM 81° 87° Partly Cloudy 1%

0% Thunder
( 3% severe)
S   9 82% 75°
Low 75° HARLINGEN, TX 78553 weather forecast Day 3, 3 hours 4 AM 79° 83° Partly Cloudy S   8 88% 75°
High 101° HARLINGEN, TX 78553 weather forecast Day 3, 6 hours 7 AM 77° 78° Partly Cloudy 2%

0% Thunder
( 11% severe)
S   7 90% 74°

Mostly Cloudy



HARLINGEN, TX 78553 weather forecast Day 3, 9 hours 10 AM 88° 96° Mostly Cloudy S   8 61% 73°
HARLINGEN, TX 78553 weather forecast Day 3, 15 hours 1 PM 98° 104° Partly Cloudy 2%

0% Thunder
( 23% severe)
SE   9 38% 68°
HARLINGEN, TX 78553 weather forecast Day 3, 18 hours 4 PM 100° 106° Mostly Cloudy SE   12 36% 68°
HARLINGEN, TX 78553 weather forecast Day 3, 21 hours 7 PM 95° 102° Partly Cloudy     SE   14 45% 70°

HARLINGEN, TX extended weather forecast

Friday
24 JUL 2026
Saturday
25 JUL 2026
Sunday
26 JUL 2026
Monday
27 JUL 2026
Tuesday
28 JUL 2026
Low 77° Low 78° Low 78° Low 78° Low 78°
High 99° High 99° High 97° High 98° 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
Partly Cloudy
20% Rain
Clear
13% Rain
Clear
16% Rain
Clear
17% Rain
Partly Cloudy
24% Rain
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