HARLINGEN, TX 78553 Weather Forecast & Current Conditions

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HARLINGEN, TX
Current Weather

3:52 AM CDT SEP 19, 2026
Clear
75°F
Feels Like: 75°F
Dewpoint: 73°F
Rel. Hum.: 94%
Visibility: 9 miles
Wind: Calm
Pressure: 29.95 inches
Last 72 hours

Local Area Snow Depth

Texas Current Weather

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HARLINGEN, TX 78553
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Mostly clear. Near steady temperature around 80. Light and variable winds.
SATURDAY
Sunny with highs in the upper 90s. North winds around 5 mph, increasing to east 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 108.
SATURDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 20 mph in the evening, becoming light and variable.
SUNDAY
Sunny with highs in the upper 90s. Northeast winds around 5 mph, increasing to east 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 109.
SUNDAY NIGHT
Partly cloudy in the evening, then clearing. Humid with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 20 mph, becoming southeast around 5 mph after midnight.
MONDAY
Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. Heat index values up to 110.
MONDAY NIGHT
Clear. Lows in the upper 70s.
TUESDAY
Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110.
TUESDAY NIGHT
Mostly clear. Lows in the upper 70s.
WEDNESDAY
Sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110.
WEDNESDAY NIGHT
Mostly clear. Lows in the upper 70s.
THURSDAY
Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110.
THURSDAY NIGHT
Mostly clear. Lows in the upper 70s.

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  9/18/2026
Saturday
19 SEP 2026
HARLINGEN, TX 78553 weather forecast Day 1, 0 hours 1 AM 82° 89° Clear 4%

0% Thunder
( 9% severe)
  CALM 82% 76°
Low 76° HARLINGEN, TX 78553 weather forecast Day 1, 3 hours 4 AM 80° 85° Clear   CALM 88% 76°
High 99° HARLINGEN, TX 78553 weather forecast Day 1, 6 hours 7 AM 77° 78° Partly Cloudy 2%

0% Thunder
( 12% severe)
  CALM 94% 75°

Partly Cloudy



HARLINGEN, TX 78553 weather forecast Day 1, 9 hours 10 AM 87° 98° Clear   CALM 70% 76°
HARLINGEN, TX 78553 weather forecast Day 1, 12 hours 1 PM 95° 104° Partly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 24% severe)
E   7 48% 72°
HARLINGEN, TX 78553 weather forecast Day 1, 15 hours 4 PM 95° 104° Partly Cloudy E   14 48% 72°
HARLINGEN, TX 78553 weather forecast Day 1, 18 hours 7 PM 88° 96° Clear 1%

0% Thunder
( 6% severe)
E   14 61% 73°
HARLINGEN, TX 78553 weather forecast Day 1, 21 hours 10 PM 83° 90° Clear ESE   6 77% 75°
Sunday
20 SEP 2026
HARLINGEN, TX 78553 weather forecast Day 2, 0 hours 1 AM 81° 87° Clear 0%

0% Thunder
( 3% severe)
SE   2 82% 75°
Low 75° HARLINGEN, TX 78553 weather forecast Day 2, 3 hours 4 AM 79° 83° Partly Cloudy   CALM 85% 74°
High 100° HARLINGEN, TX 78553 weather forecast Day 2, 6 hours 7 AM 77° 78° Partly Cloudy 1%

0% Thunder
( 10% severe)
  CALM 90% 74°

Partly Cloudy



HARLINGEN, TX 78553 weather forecast Day 2, 9 hours 10 AM 87° 98° Partly Cloudy   CALM 70% 76°
HARLINGEN, TX 78553 weather forecast Day 2, 12 hours 1 PM 95° 103° Partly Cloudy 18%
RAIN
<.01 in
0% Thunder
( 19% severe)
E   5 46% 71°
HARLINGEN, TX 78553 weather forecast Day 2, 15 hours 4 PM 95° 104° Partly Cloudy E   14 48% 72°
HARLINGEN, TX 78553 weather forecast Day 2, 18 hours 7 PM 89° 97° Partly Cloudy 0%

0% Thunder
( 5% severe)
E   14 59% 73°
HARLINGEN, TX 78553 weather forecast Day 2, 21 hours 10 PM 84° 93° Partly Cloudy ESE   7 77% 76°

HARLINGEN, TX extended weather forecast

Monday
21 SEP 2026
Tuesday
22 SEP 2026
Wednesday
23 SEP 2026
Thursday
24 SEP 2026
Friday
25 SEP 2026
Low 75° Low 74° Low 74° Low 73° Low 76°
High 98° High 96° High 95° High 95° High 95°
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
14% Rain
Partly Cloudy
25% Rain
Partly Cloudy
36% Rain
Partly Cloudy
32% Rain
Partly Cloudy
25% Rain
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