HARLINGEN, TX 78553 Weather Forecast & Current Conditions

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HARLINGEN, TX
Current Weather

3:52 PM CDT AUG 22, 2026
Clear
100°F
Feels Like: 104°F
Dewpoint: 66°F
Rel. Hum.: 33%
Visibility: 10 miles
Wind: ESE at 12 mph, gusts to 18
Pressure: 29.95 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
Mostly sunny. Hot. Near steady temperature around 100. Southeast winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 109.
TONIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the evening. Heat index values up to 106 early in the evening.
SUNDAY
Sunny, hot with highs around 100. Southeast winds 10 to 15 mph. Heat index values up to 108.
SUNDAY NIGHT
Mostly clear. Lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph, becoming south around 5 mph after midnight.
MONDAY
Sunny, hot with highs around 100. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 110.
MONDAY NIGHT
Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
TUESDAY
Sunny, hot with highs around 100. Heat index values up to 110.
TUESDAY NIGHT
Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
WEDNESDAY
Sunny, hot with highs around 100. Heat index values up to 110.
WEDNESDAY NIGHT
Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
THURSDAY
Sunny, hot with highs around 100. Heat index values up to 110.
THURSDAY NIGHT
Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
FRIDAY
Sunny, hot with highs around 100. 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  8/22/2026
Saturday
22 AUG 2026
HARLINGEN, TX 78553 weather forecast Day 1, 12 hours 1 PM 99° 103° Clear 3%

0% Thunder
( 13% severe)
SSE   9 34% 66°
High 102° HARLINGEN, TX 78553 weather forecast Day 1, 15 hours 4 PM 101° 105° Partly Cloudy SE   14 32% 66°
Partly Cloudy



HARLINGEN, TX 78553 weather forecast Day 1, 18 hours 7 PM 94° 100° Partly Cloudy 1%

0% Thunder
( 3% severe)
SE   16 46% 70°
HARLINGEN, TX 78553 weather forecast Day 1, 21 hours 10 PM 85° 93° Partly Cloudy SSE   12 72% 75°
Sunday
23 AUG 2026
HARLINGEN, TX 78553 weather forecast Day 2, 0 hours 1 AM 81° 87° Partly Cloudy 1%

0% Thunder
( 2% severe)
S   8 85% 76°
Low 74° HARLINGEN, TX 78553 weather forecast Day 2, 3 hours 4 AM 79° 83° Partly Cloudy S   7 88% 75°
High 102° HARLINGEN, TX 78553 weather forecast Day 2, 6 hours 7 AM 77° 78° Partly Cloudy 1%

0% Thunder
( 6% severe)
SSE   6 90% 74°

Partly Cloudy



HARLINGEN, TX 78553 weather forecast Day 2, 9 hours 10 AM 88° 97° Clear SSE   8 63% 74°
HARLINGEN, TX 78553 weather forecast Day 2, 12 hours 1 PM 98° 102° Clear 1%

0% Thunder
( 14% severe)
SE   8 35% 66°
HARLINGEN, TX 78553 weather forecast Day 2, 15 hours 4 PM 99° 105° Partly Cloudy ESE   15 37% 68°
HARLINGEN, TX 78553 weather forecast Day 2, 18 hours 7 PM 92° 97° Clear 0%

0% Thunder
( 3% severe)
ESE   16 47% 69°
HARLINGEN, TX 78553 weather forecast Day 2, 21 hours 10 PM 84° 90° Clear SE   12 70% 73°
Monday
24 AUG 2026
HARLINGEN, TX 78553 weather forecast Day 3, 0 hours 1 AM 81° 87° Clear 0%

0% Thunder
( 3% severe)
SSE   8 82% 75°
Low 75° HARLINGEN, TX 78553 weather forecast Day 3, 3 hours 4 AM 79° 83° Partly Cloudy SSE   7 85% 74°
High 101° HARLINGEN, TX 78553 weather forecast Day 3, 6 hours 7 AM 78° 80° Partly Cloudy 1%

0% Thunder
( 6% severe)
SSE   5 88% 74°

Clear



HARLINGEN, TX 78553 weather forecast Day 3, 9 hours 10 AM 88° 97° Clear SSE   8 63% 74°
HARLINGEN, TX 78553 weather forecast Day 3, 15 hours 1 PM 97° 104° Clear 3%

0% Thunder
( 15% severe)
SE   9 42% 70°
HARLINGEN, TX 78553 weather forecast Day 3, 18 hours 4 PM 98° 106° Clear ESE   16 41% 70°
HARLINGEN, TX 78553 weather forecast Day 3, 21 hours 7 PM 92° 99° Clear     ESE   17 51% 71°

HARLINGEN, TX extended weather forecast

Tuesday
25 AUG 2026
Wednesday
26 AUG 2026
Thursday
27 AUG 2026
Friday
28 AUG 2026
Saturday
29 AUG 2026
Low 76° Low 77° Low 77° Low 77° Low 76°
High 99° High 99° High 99° 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
Clear
18% Rain
Clear
19% Rain
Clear
16% Rain
Clear
16% Rain
Partly Cloudy
24% Rain
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