HARLINGEN, TX 78553 Weather Forecast & Current Conditions

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HARLINGEN, TX
Current Weather

3:52 PM CDT AUG 25, 2026
Few Clouds
100°F
Feels Like: 110°F
Dewpoint: 72°F
Rel. Hum.: 41%
Visibility: 10 miles
Wind: SSE at 18 mph, gusts to 25
Pressure: 29.91 inches
Last 72 hours

Local Area Snow Depth

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HARLINGEN, TX 78553
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Sunny, hot. Near steady temperature in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 112.
TONIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 108 early in the evening.
WEDNESDAY
Sunny, hot with highs around 100. Southeast winds 10 to 15 mph. Heat index values up to 111.
WEDNESDAY NIGHT
Clear with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph, becoming south around 5 mph after midnight. Heat index values up to 106 early in the evening.
THURSDAY
Sunny, hot with highs around 101. South winds around 5 mph, increasing to southeast 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 112.
THURSDAY NIGHT
Clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.
FRIDAY
Sunny, hot with highs around 100. Heat index values up to 110.
FRIDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
SATURDAY
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. 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  8/25/2026
Tuesday
25 AUG 2026
HARLINGEN, TX 78553 weather forecast Day 1, 12 hours 1 PM 98° 106° Clear 3%

0% Thunder
( 17% severe)
SSE   12 42% 71°
High 100° HARLINGEN, TX 78553 weather forecast Day 1, 15 hours 4 PM 99° 108° Partly Cloudy SE   17 41% 71°
Clear



HARLINGEN, TX 78553 weather forecast Day 1, 18 hours 7 PM 92° 101° Clear 1%

0% Thunder
( 3% severe)
SE   18 54% 73°
HARLINGEN, TX 78553 weather forecast Day 1, 21 hours 10 PM 85° 95° Clear SE   14 75% 76°
Wednesday
26 AUG 2026
HARLINGEN, TX 78553 weather forecast Day 2, 0 hours 1 AM 83° 91° Clear 1%

0% Thunder
( 2% severe)
SSE   9 80% 76°
Low 77° HARLINGEN, TX 78553 weather forecast Day 2, 3 hours 4 AM 81° 87° Clear S   8 85% 76°
High 101° HARLINGEN, TX 78553 weather forecast Day 2, 6 hours 7 AM 79° 83° Clear 2%

0% Thunder
( 7% severe)
SSE   6 91% 76°

Clear



HARLINGEN, TX 78553 weather forecast Day 2, 9 hours 10 AM 89° 99° Clear S   8 64% 75°
HARLINGEN, TX 78553 weather forecast Day 2, 12 hours 1 PM 98° 106° Clear 3%

0% Thunder
( 21% severe)
SE   9 42% 71°
HARLINGEN, TX 78553 weather forecast Day 2, 15 hours 4 PM 99° 106° Clear ESE   15 39% 70°
HARLINGEN, TX 78553 weather forecast Day 2, 18 hours 7 PM 92° 100° Clear 0%

0% Thunder
( 5% severe)
ESE   17 52% 72°
HARLINGEN, TX 78553 weather forecast Day 2, 21 hours 10 PM 85° 93° Clear SE   12 72% 75°
Thursday
27 AUG 2026
HARLINGEN, TX 78553 weather forecast Day 3, 0 hours 1 AM 82° 89° Clear 0%

0% Thunder
( 3% severe)
SSE   8 82% 76°
Low 77° HARLINGEN, TX 78553 weather forecast Day 3, 3 hours 4 AM 80° 85° Clear S   6 85% 75°
High 102° HARLINGEN, TX 78553 weather forecast Day 3, 6 hours 7 AM 79° 83° Clear 1%

0% Thunder
( 8% severe)
SSE   3 88% 75°

Clear



HARLINGEN, TX 78553 weather forecast Day 3, 9 hours 10 AM 88° 98° Clear SSE   6 66% 75°
HARLINGEN, TX 78553 weather forecast Day 3, 15 hours 1 PM 97° 104° Clear 3%

0% Thunder
( 23% severe)
SE   6 42% 70°
HARLINGEN, TX 78553 weather forecast Day 3, 18 hours 4 PM 99° 106° Partly Cloudy ESE   14 39% 70°
HARLINGEN, TX 78553 weather forecast Day 3, 21 hours 7 PM 92° 100° Clear     ESE   15 52% 72°

HARLINGEN, TX extended weather forecast

Friday
28 AUG 2026
Saturday
29 AUG 2026
Sunday
30 AUG 2026
Monday
31 AUG 2026
Tuesday
1 SEP 2026
Low 76° Low 76° Low 76° Low 76° Low 75°
High 99° High 99° High 98° High 96° High 95°
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
17% Rain
Clear
18% Rain
Partly Cloudy
20% Rain
Partly Cloudy
21% Rain
Partly Cloudy
24% Rain
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