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

HARLINGEN, TX
Current Weather
11:52 PM CDT MAY 19, 2026
Broken Clouds
81°F
Feels Like: 89°F
Dewpoint: 79°F
Rel. Hum.: 94%
Visibility: 10 miles
Wind: SE at 9 mph
Pressure: 29.92 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
THIS AFTERNOON
Partly sunny. Near steady temperature in the lower 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 109.
TONIGHT
Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
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 20 mph.
THURSDAY
Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. Humid with highs around 90. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
THURSDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the upper 70s. Chance of rain 50 percent.
FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 90s.
FRIDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 70s. Chance of rain 50 percent.
SATURDAY
Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50 percent.
SATURDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 70s. Chance of rain 50 percent.
SUNDAY
Partly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 80s. Chance of rain 70 percent.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent.
MEMORIAL DAY
Mostly 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  5/19/2026
Wednesday
20 MAY 2026		 HARLINGEN, TX 78553 weather forecast Day 1, 0 hours 1 AM 82° 91° Mostly Cloudy 27%
RAIN
***		 0% Thunder
( 39% severe)		 SE   13 88% 78°
Low 78° HARLINGEN, TX 78553 weather forecast Day 1, 3 hours 4 AM 80° 86° Mostly Cloudy SE   12 91% 77°
High 93° HARLINGEN, TX 78553 weather forecast Day 1, 6 hours 7 AM 79° 83° Mostly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 12% severe)		 ESE   13 88% 75°

Partly Cloudy



 HARLINGEN, TX 78553 weather forecast Day 1, 9 hours 10 AM 84° 92° Partly Cloudy ESE   16 74% 75°
HARLINGEN, TX 78553 weather forecast Day 1, 12 hours 1 PM 89° 98° Partly Cloudy 5%

 0% Thunder
( 14% severe)		 SE   16 61% 74°
HARLINGEN, TX 78553 weather forecast Day 1, 15 hours 4 PM 91° 100° Partly Cloudy ESE   16 56% 73°
HARLINGEN, TX 78553 weather forecast Day 1, 18 hours 7 PM 86° 94° Mostly Cloudy 5%

 0% Thunder
( 6% severe)		 ESE   17 68% 74°
HARLINGEN, TX 78553 weather forecast Day 1, 21 hours 10 PM 81° 87° Mostly Cloudy ESE   14 85% 76°
Thursday
21 MAY 2026		 HARLINGEN, TX 78553 weather forecast Day 2, 0 hours 1 AM 80° 85° Mostly Cloudy 17%
RAIN
.01–.1 in		 0% Thunder
( 20% severe)		 ESE   12 88% 76°
Low 76° HARLINGEN, TX 78553 weather forecast Day 2, 3 hours 4 AM 79° 83° Mostly Cloudy SE   9 91% 76°
High 90° HARLINGEN, TX 78553 weather forecast Day 2, 6 hours 7 AM 78° 81° Mostly Cloudy 43%
RAIN
***		 0% Thunder
( 26% severe)		 E   6 91% 75°

Mostly Cloudy

Chance of Rain

 HARLINGEN, TX 78553 weather forecast Day 2, 9 hours 10 AM 82° 89° Mostly Cloudy SSE   10 79% 75°
HARLINGEN, TX 78553 weather forecast Day 2, 12 hours 1 PM 85° 93° Mostly Cloudy 22%
RAIN
.01–.1 in		 0% Thunder
( 37% severe)		 SSE   13 70% 74°
HARLINGEN, TX 78553 weather forecast Day 2, 15 hours 4 PM 87° 95° Mostly Cloudy SE   14 65% 74°
HARLINGEN, TX 78553 weather forecast Day 2, 18 hours 7 PM 84° 91° Mostly Cloudy 12%
RAIN
.01–.1 in		 0% Thunder
( 25% severe)		 SE   14 72% 74°
HARLINGEN, TX 78553 weather forecast Day 2, 21 hours 10 PM 80° 85° Mostly Cloudy SSE   12 85% 75°

HARLINGEN, TX extended weather forecast
BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE
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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