HARLINGEN, TX 78553 Weather Forecast & Current Conditions
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  78553 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

HARLINGEN, TX
Current Weather
10:52 AM CDT MAY 19, 2026
Scattered Clouds
84°F
Feels Like: 92°F
Dewpoint: 75°F
Rel. Hum.: 74%
Visibility: 10 miles
Wind: ESE at 21 mph, gusts to 31
Pressure: 29.95 inches
Last 72 hours

Local Area Snow Depth

Texas Current Weather

Texas MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  78553 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

HARLINGEN, TX 78553
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy this morning, then becoming partly sunny. Highs in the mid 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 110.
TONIGHT
Mostly cloudy. Humid with lows around 80. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 105 early in the evening.
WEDNESDAY
Partly sunny. Humid with highs in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
WEDNESDAY NIGHT
Mostly cloudy. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
THURSDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. Humid with highs in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
THURSDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 50 percent.
FRIDAY
Mostly cloudy in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent.
FRIDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 50 percent.
SATURDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs around 90. Chance of rain 60 percent.
SATURDAY NIGHT
A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 70s. Chance of rain 60 percent.
SUNDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the mid 70s. Chance of rain 50 percent.
MEMORIAL DAY
Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.

  78553 WEATHER SATELLITE LOOPS
Visible Weather Satellite
HARLINGEN, TX 78553
Infrared Weather Satellite
HARLINGEN, TX 78553
  78553 WEATHER RADAR LOOP
NEXRAD Weather Radar
HARLINGEN, TX 78553
 MOS COMPUTER WEATHER FORECAST

HARLINGEN, TX 3 hourly weather forecast
weather forecast created  8:00 PM EDT  5/18/2026
Tuesday
19 MAY 2026		 HARLINGEN, TX 78553 weather forecast Day 1, 0 hours 1 AM 83° 92° Mostly Cloudy 27%
RAIN
<.01 in		 0% Thunder
( 12% severe)		 SE   18 82% 77°
Low 79° HARLINGEN, TX 78553 weather forecast Day 1, 3 hours 4 AM 81° 87° Mostly Cloudy SE   14 85% 76°
High 95° HARLINGEN, TX 78553 weather forecast Day 1, 6 hours 7 AM 80° 85° Mostly Cloudy 8%

 0% Thunder
( 12% severe)		 ESE   15 85% 75°

Mostly Cloudy




Breezy		 HARLINGEN, TX 78553 weather forecast Day 1, 9 hours 10 AM 87° 98° Mostly Cloudy SSE   18 70% 76°
HARLINGEN, TX 78553 weather forecast Day 1, 12 hours 1 PM 92° 103° Mostly Cloudy 4%

 0% Thunder
( 14% severe)		 SE   20 58% 75°
HARLINGEN, TX 78553 weather forecast Day 1, 15 hours 4 PM 94° 106° Mostly Cloudy SE   20 54% 75°
HARLINGEN, TX 78553 weather forecast Day 1, 18 hours 7 PM 88° 99° Mostly Cloudy 6%

 0% Thunder
( 19% severe)		 SE   18 68% 76°
HARLINGEN, TX 78553 weather forecast Day 1, 21 hours 10 PM 84° 94° Mostly Cloudy SE   17 80% 77°
Wednesday
20 MAY 2026		 HARLINGEN, TX 78553 weather forecast Day 2, 0 hours 1 AM 83° 92° Mostly Cloudy 20%
RAIN
>2 in		 0% Thunder
( 22% severe)		 SSE   14 82% 77°
Low 79° HARLINGEN, TX 78553 weather forecast Day 2, 3 hours 4 AM 81° 88° Mostly Cloudy ESE   12 88% 77°
High 93° HARLINGEN, TX 78553 weather forecast Day 2, 6 hours 7 AM 79° 83° Mostly Cloudy 21%
RAIN
.1–.25 in		 0% Thunder
( 14% severe)		 E   14 91% 76°

Mostly Cloudy

Chance of Rain


Breezy		 HARLINGEN, TX 78553 weather forecast Day 2, 9 hours 10 AM 85° 93° Mostly Cloudy SE   16 72% 75°
HARLINGEN, TX 78553 weather forecast Day 2, 12 hours 1 PM 90° 99° Mostly Cloudy 3%

 0% Thunder
( 16% severe)		 SE   17 58% 73°
HARLINGEN, TX 78553 weather forecast Day 2, 15 hours 4 PM 91° 99° Partly Cloudy SE   17 54% 72°
HARLINGEN, TX 78553 weather forecast Day 2, 18 hours 7 PM 86° 93° Mostly Cloudy 0%

 0% Thunder
( 13% severe)		 ESE   17 65% 73°
HARLINGEN, TX 78553 weather forecast Day 2, 21 hours 10 PM 81° 87° Mostly Cloudy ESE   14 82% 75°

HARLINGEN, TX extended weather forecast
Thursday
21 MAY 2026		 Friday
22 MAY 2026		 Saturday
23 MAY 2026		 Sunday
24 MAY 2026		 Monday
25 MAY 2026
Low 75° Low 70° Low 74° Low 75° Low 72°
High 91° High 91° High 94° High 94° High 91°
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
Overcast
33% Rain		 Overcast
67% Rain		 Overcast
37% Rain		 Overcast
55% Rain		 Overcast
47% Rain
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