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 SEP 28, 2026
Broken Clouds
91°F
Feels Like: 100°F
Dewpoint: 73°F
Rel. Hum.: 56%
Visibility: 10 miles
Wind: SE at 9 mph
Pressure: 29.87 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
2026 Hurricanes

HARLINGEN, TX 78553
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Highs in the upper 90s. East winds around 5 mph, increasing to 10 to 15 mph with gusts up to 25 mph this afternoon. Heat index values up to 107.
TONIGHT
Partly cloudy. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the evening.
TUESDAY
Mostly sunny. A chance of showers in the afternoon. Humid with highs in the upper 90s. Southeast winds 15 to 20 mph. Gusts up to 30 mph. Chance of rain 40 percent. Heat index values up to 111.
TUESDAY NIGHT
Partly cloudy. Humid with lows around 80. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 106 early in the evening.
WEDNESDAY
Mostly sunny. Humid with highs in the upper 90s. Southeast winds 15 to 20 mph with gusts up to 35 mph. Heat index values up to 113.
WEDNESDAY NIGHT
Partly cloudy. Lows around 80. Heat index values up to 110 early in the evening.
THURSDAY
Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 70 percent. Heat index values up to 110.
THURSDAY NIGHT
A chance of thunderstorms. Showers. Lows in the mid 70s. Chance of rain 80 percent.
FRIDAY
Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 90 percent.
FRIDAY NIGHT
Showers likely, mainly in the evening. Lows in the mid 70s. Chance of rain 60 percent.
SATURDAY
Partly sunny with a chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 70 percent.
SATURDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the mid 70s. Chance of rain 50 percent.
SUNDAY
Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 60 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  9/27/2026
Monday
28 SEP 2026		 HARLINGEN, TX 78553 weather forecast Day 1, 0 hours 1 AM 80° 84° Partly Cloudy 1%

 0% Thunder
( 1% severe)		 SE   5 79% 73°
Low 75° HARLINGEN, TX 78553 weather forecast Day 1, 3 hours 4 AM 78° 80° Partly Cloudy SSE   2 85% 73°
High 99° HARLINGEN, TX 78553 weather forecast Day 1, 6 hours 7 AM 76° 76° Partly Cloudy 3%

 0% Thunder
( 5% severe)		   CALM 87% 72°

Partly Cloudy



 HARLINGEN, TX 78553 weather forecast Day 1, 9 hours 10 AM 87° 95° Partly Cloudy SE   3 65% 74°
HARLINGEN, TX 78553 weather forecast Day 1, 12 hours 1 PM 95° 102° Partly Cloudy 6%

 0% Thunder
( 15% severe)		 ESE   8 45% 70°
HARLINGEN, TX 78553 weather forecast Day 1, 15 hours 4 PM 95° 103° Mostly Cloudy E   15 46% 71°
HARLINGEN, TX 78553 weather forecast Day 1, 18 hours 7 PM 88° 95° Partly Cloudy 7%

 0% Thunder
( 5% severe)		 E   16 59% 72°
HARLINGEN, TX 78553 weather forecast Day 1, 21 hours 10 PM 84° 92° Partly Cloudy ESE   10 74% 75°
Tuesday
29 SEP 2026		 HARLINGEN, TX 78553 weather forecast Day 2, 0 hours 1 AM 81° 87° Partly Cloudy 20%
RAIN
.01–.1 in		 0% Thunder
( 7% severe)		 SE   8 82% 75°
Low 76° HARLINGEN, TX 78553 weather forecast Day 2, 3 hours 4 AM 79° 83° Partly Cloudy SE   7 85% 74°
High 100° HARLINGEN, TX 78553 weather forecast Day 2, 6 hours 7 AM 78° 80° Partly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 14% severe)		 ESE   7 88% 74°

Mostly Cloudy

Chance of Rain

 HARLINGEN, TX 78553 weather forecast Day 2, 9 hours 10 AM 88° 99° Mostly Cloudy SE   10 68% 76°
HARLINGEN, TX 78553 weather forecast Day 2, 12 hours 1 PM 95° 105° Mostly Cloudy 30%
RAIN
.01–.1 in		 0% Thunder
( 25% severe)		 SE   14 49% 73°
HARLINGEN, TX 78553 weather forecast Day 2, 15 hours 4 PM 95° 106° Partly Cloudy SE   18 51% 74°
HARLINGEN, TX 78553 weather forecast Day 2, 18 hours 7 PM 89° 99° Partly Cloudy 2%

 0% Thunder
( 8% severe)		 SE   20 64% 75°
HARLINGEN, TX 78553 weather forecast Day 2, 21 hours 10 PM 85° 96° Partly Cloudy SE   17 77% 77°

HARLINGEN, TX extended weather forecast
Wednesday
30 SEP 2026		 Thursday
1 OCT 2026		 Friday
2 OCT 2026		 Saturday
3 OCT 2026		 Sunday
4 OCT 2026
Low 80° Low 78° Low 73° Low 73° Low 72°
High 94° High 95° High 85° High 91° 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
Mostly Cloudy
35% Rain		 Partly Cloudy
43% Rain		 Overcast
76% Rain		 Overcast
63% Rain		 Mostly Cloudy
40% Rain
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