HARLINGEN, TX 78553 Weather Forecast & Current Conditions

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HARLINGEN, TX
Current Weather

3:52 AM CDT AUG 18, 2025
Clear
77°F
Feels Like: 78°F
Dewpoint: 75°F
Rel. Hum.: 94%
Visibility: 7 miles
Wind: Calm
Pressure: 29.91 inches
Last 72 hours

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HARLINGEN, TX 78553
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny. Highs in the mid 90s. East winds 5 to 10 mph. Heat index values up to 108.
TONIGHT
Mostly clear. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph.
TUESDAY
Sunny with highs in the upper 90s. Northeast winds 5 to 10 mph. Heat index values up to 105.
TUESDAY NIGHT
Mostly clear. Humid with lows in the mid 70s. East winds 5 to 10 mph, becoming south after midnight.
WEDNESDAY
Sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the mid 90s. Northwest winds around 5 mph, becoming northeast in the afternoon. Chance of rain 40 percent.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
Mostly clear. Lows in the mid 70s. Highs in the upper 90s. Heat index values up to 105.
FRIDAY
Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 105.
FRIDAY NIGHT
Mostly clear. Lows in the upper 70s.
SATURDAY
Mostly 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 105.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s.
SUNDAY
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 105.

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  8/17/2025
Monday
18 AUG 2025
HARLINGEN, TX 78553 weather forecast Day 1, 0 hours 1 AM 79° 83° Clear 0%

0% Thunder
( 5% severe)
SE   6 94% 77°
Low 75° HARLINGEN, TX 78553 weather forecast Day 1, 3 hours 4 AM 77° 78° Partly Cloudy SSE   3 97% 76°
High 97° HARLINGEN, TX 78553 weather forecast Day 1, 6 hours 7 AM 76° 75° Clear 2%

0% Thunder
( 12% severe)
ESE   1 97% 75°

Partly Cloudy



HARLINGEN, TX 78553 weather forecast Day 1, 9 hours 10 AM 87° 99° Partly Cloudy SE   3 72% 77°
HARLINGEN, TX 78553 weather forecast Day 1, 12 hours 1 PM 94° 105° Partly Cloudy 6%

0% Thunder
( 25% severe)
E   9 53% 74°
HARLINGEN, TX 78553 weather forecast Day 1, 15 hours 4 PM 95° 105° Partly Cloudy E   13 49% 73°
HARLINGEN, TX 78553 weather forecast Day 1, 18 hours 7 PM 89° 98° Clear 1%

0% Thunder
( 5% severe)
ESE   13 61% 74°
HARLINGEN, TX 78553 weather forecast Day 1, 21 hours 10 PM 82° 90° Clear ESE   6 85% 77°
Tuesday
19 AUG 2025
HARLINGEN, TX 78553 weather forecast Day 2, 0 hours 1 AM 78° 81° Clear 2%

0% Thunder
( 10% severe)
SE   2 97% 77°
Low 74° HARLINGEN, TX 78553 weather forecast Day 2, 3 hours 4 AM 76° 75° Partly Cloudy S   1 100% 76°
High 98° HARLINGEN, TX 78553 weather forecast Day 2, 6 hours 7 AM 76° 76° Partly Cloudy 7%

0% Thunder
( 14% severe)
  CALM 94% 74°

Partly Cloudy



HARLINGEN, TX 78553 weather forecast Day 2, 9 hours 10 AM 86° 97° Partly Cloudy ENE   1 75% 77°
HARLINGEN, TX 78553 weather forecast Day 2, 12 hours 1 PM 93° 101° Partly Cloudy 19%
RAIN
<.01 in
0% Thunder
( 28% severe)
ENE   7 51% 72°
HARLINGEN, TX 78553 weather forecast Day 2, 15 hours 4 PM 94° 102° Partly Cloudy E   10 49% 72°
HARLINGEN, TX 78553 weather forecast Day 2, 18 hours 7 PM 89° 97° Clear 5%

0% Thunder
( 8% severe)
E   10 59% 73°
HARLINGEN, TX 78553 weather forecast Day 2, 21 hours 10 PM 81° 87° Clear ESE   3 85% 76°

HARLINGEN, TX extended weather forecast

Wednesday
20 AUG 2025
Thursday
21 AUG 2025
Friday
22 AUG 2025
Saturday
23 AUG 2025
Sunday
24 AUG 2025
Low 74° Low 73° Low 74° Low 74° Low 75°
High 98° High 96° High 96° High 97° High 96°
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
19% Rain
Partly Cloudy
22% Rain
Partly Cloudy
27% Rain
Partly Cloudy
29% Rain
Partly Cloudy
26% Rain
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