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

HARLINGEN, TX
Current Weather
9:52 AM CDT MAY 18, 2026
Broken Clouds
86°F
Feels Like: 93°F
Dewpoint: 73°F
Rel. Hum.: 65%
Visibility: 10 miles
Wind: SSE at 15 mph, gusts to 25
Pressure: 29.81 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
REST OF TODAY
Partly sunny. A slight chance of showers late this morning. Highs in the mid 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent. Heat index values up to 110 this afternoon.
TONIGHT
Mostly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the lower 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent. Heat index values up to 105 early in the evening.
TUESDAY
Partly sunny. Humid with highs in the mid 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 108.
TUESDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Humid with lows around 80. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 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. Lows in the upper 70s.
THURSDAY
Mostly cloudy in the morning, then partly sunny with a chance of showers in the afternoon. Highs around 90. Chance of rain 50 percent.
THURSDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the mid 70s. Chance of rain 50 percent.
FRIDAY
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.
FRIDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 70s. Chance of rain 50 percent.
SATURDAY
Mostly cloudy with a chance of showers in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 60 percent.
SATURDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the mid 70s. Chance of rain 50 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.

  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  5/17/2026
Monday
18 MAY 2026		 HARLINGEN, TX 78553 weather forecast Day 1, 0 hours 1 AM 82° 90° Mostly Cloudy 13%
RAIN
.01–.1 in		 0% Thunder
( 11% severe)		 SSE   20 85% 77°
Low 79° HARLINGEN, TX 78553 weather forecast Day 1, 3 hours 4 AM 81° 87° Mostly Cloudy SSE   17 82% 75°
High 96° HARLINGEN, TX 78553 weather forecast Day 1, 6 hours 7 AM 80° 85° Mostly Cloudy 26%
RAIN
.01–.1 in		 0% Thunder
( 9% severe)		 SSE   18 85% 75°

Mostly Cloudy

Chance of Rain


Windy		 HARLINGEN, TX 78553 weather forecast Day 1, 9 hours 10 AM 87° 97° Mostly Cloudy SSE   21 68% 75°
HARLINGEN, TX 78553 weather forecast Day 1, 12 hours 1 PM 93° 103° Mostly Cloudy 9%

 0% Thunder
( 15% severe)		 SSE   22 54% 74°
HARLINGEN, TX 78553 weather forecast Day 1, 15 hours 4 PM 95° 107° Partly Cloudy SSE   22 53% 75°
HARLINGEN, TX 78553 weather forecast Day 1, 18 hours 7 PM 88° 99° Mostly Cloudy 13%
RAIN
.1–.25 in		 0% Thunder
( 22% severe)		 SE   22 68% 76°
HARLINGEN, TX 78553 weather forecast Day 1, 21 hours 10 PM 84° 94° Mostly Cloudy SE   22 80% 77°
Tuesday
19 MAY 2026		 HARLINGEN, TX 78553 weather forecast Day 2, 0 hours 1 AM 83° 92° Mostly Cloudy 14%
RAIN
.1–.25 in		 0% Thunder
( 12% severe)		 SSE   18 82% 77°
Low 79° HARLINGEN, TX 78553 weather forecast Day 2, 3 hours 4 AM 81° 87° Mostly Cloudy SSE   15 85% 76°
High 95° HARLINGEN, TX 78553 weather forecast Day 2, 6 hours 7 AM 80° 85° Mostly Cloudy 3%

 0% Thunder
( 14% severe)		 SE   15 88% 76°

Mostly Cloudy




Breezy		 HARLINGEN, TX 78553 weather forecast Day 2, 9 hours 10 AM 87° 98° Mostly Cloudy SE   18 70% 76°
HARLINGEN, TX 78553 weather forecast Day 2, 12 hours 1 PM 93° 103° Mostly Cloudy 0%

 0% Thunder
( 16% severe)		 SE   20 54% 74°
HARLINGEN, TX 78553 weather forecast Day 2, 15 hours 4 PM 94° 106° Partly Cloudy SE   20 54% 75°
HARLINGEN, TX 78553 weather forecast Day 2, 18 hours 7 PM 88° 99° Mostly Cloudy 4%

 0% Thunder
( 21% severe)		 ESE   18 68% 76°
HARLINGEN, TX 78553 weather forecast Day 2, 21 hours 10 PM 84° 95° Mostly Cloudy SE   17 82% 78°

HARLINGEN, TX extended weather forecast
Wednesday
20 MAY 2026		 Thursday
21 MAY 2026		 Friday
22 MAY 2026		 Saturday
23 MAY 2026		 Sunday
24 MAY 2026
Low 76° Low 76° Low 72° Low 75° Low 71°
High 94° High 94° High 90° High 93° High 89°
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
36% Rain		 Overcast
30% Rain		 Overcast
64% Rain		 Overcast
46% Rain		 Overcast
52% Rain
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