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

HARLINGEN, TX
Current Weather
4:52 AM CDT SEP 22, 2026
Clear
77°F
Feels Like: 78°F
Dewpoint: 73°F
Rel. Hum.: 87%
Visibility: 10 miles
Wind: NNE at 3 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
REST OF TONIGHT
Mostly clear. Near steady temperature in the lower 80s. East winds around 5 mph.
TUESDAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. East winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of rain 20 percent. Heat index values up to 108.
TUESDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 25 mph, becoming northeast around 5 mph after midnight.
WEDNESDAY
Showers likely in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of rain 70 percent. Heat index values up to 109.
WEDNESDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 25 mph, diminishing to around 5 mph after midnight.
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
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s.
FRIDAY
Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. Heat index values up to 110.
FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. 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 40 percent. Heat index values up to 110.
SATURDAY NIGHT
Partly cloudy. Lows in the upper 70s.
SUNDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. Heat index values up to 110.
SUNDAY NIGHT
Mostly clear. Lows in the upper 70s.

  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  9/21/2026
Tuesday
22 SEP 2026		 HARLINGEN, TX 78553 weather forecast Day 1, 0 hours 1 AM 82° 89° Clear 1%

 0% Thunder
( 6% severe)		 ESE   3 82% 76°
Low 77° HARLINGEN, TX 78553 weather forecast Day 1, 3 hours 4 AM 80° 85° Partly Cloudy E   1 85% 75°
High 99° HARLINGEN, TX 78553 weather forecast Day 1, 6 hours 7 AM 78° 81° Clear 16%
RAIN
<.01 in		 0% Thunder
( 21% severe)		 NE   2 91% 75°

Partly Cloudy



 HARLINGEN, TX 78553 weather forecast Day 1, 9 hours 10 AM 88° 99° Partly Cloudy E   5 68% 76°
HARLINGEN, TX 78553 weather forecast Day 1, 12 hours 1 PM 94° 104° Partly Cloudy 10%
RAIN
.01–.1 in		 0% Thunder
( 32% severe)		 E   12 51% 73°
HARLINGEN, TX 78553 weather forecast Day 1, 15 hours 4 PM 94° 104° Partly Cloudy E   16 51% 73°
HARLINGEN, TX 78553 weather forecast Day 1, 18 hours 7 PM 88° 97° Clear 8%

 0% Thunder
( 7% severe)		 E   15 63% 74°
HARLINGEN, TX 78553 weather forecast Day 1, 21 hours 10 PM 84° 92° Partly Cloudy E   6 74% 75°
Wednesday
23 SEP 2026		 HARLINGEN, TX 78553 weather forecast Day 2, 0 hours 1 AM 82° 89° Clear 15%
RAIN
<.01 in		 0% Thunder
( 5% severe)		   CALM 79% 75°
Low 78° HARLINGEN, TX 78553 weather forecast Day 2, 3 hours 4 AM 80° 85° Clear   CALM 85% 75°
High 98° HARLINGEN, TX 78553 weather forecast Day 2, 6 hours 7 AM 78° 80° Clear 34%
RAIN
.01–.1 in		 0% Thunder
( 18% severe)		 N   3 88% 74°

Partly Cloudy

Chance of Rain

 HARLINGEN, TX 78553 weather forecast Day 2, 9 hours 10 AM 87° 98° Partly Cloudy NE   7 70% 76°
HARLINGEN, TX 78553 weather forecast Day 2, 12 hours 1 PM 94° 104° Partly Cloudy 41%
RAIN
.01–.1 in		 0% Thunder
( 30% severe)		 ENE   13 51% 73°
HARLINGEN, TX 78553 weather forecast Day 2, 15 hours 4 PM 94° 104° Partly Cloudy ENE   16 51% 73°
HARLINGEN, TX 78553 weather forecast Day 2, 18 hours 7 PM 88° 98° Partly Cloudy 4%

 0% Thunder
( 8% severe)		 E   14 66% 75°
HARLINGEN, TX 78553 weather forecast Day 2, 21 hours 10 PM 84° 93° Partly Cloudy E   6 77% 76°

HARLINGEN, TX extended weather forecast
Thursday
24 SEP 2026		 Friday
25 SEP 2026		 Saturday
26 SEP 2026		 Sunday
27 SEP 2026		 Monday
28 SEP 2026
Low 75° Low 75° Low 75° Low 76° Low 75°
High 94° High 94° High 96° High 96° 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
Partly Cloudy
35% Rain		 Partly Cloudy
41% Rain		 Partly Cloudy
31% Rain		 Partly Cloudy
25% Rain		 Partly Cloudy
20% Rain
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