HARLINGEN, TX 78553 Weather Forecast & Current Conditions

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78553 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
HARLINGEN, TX Current Weather
7:52 PM CDT SEP 6, 2026
Clear 86°F
Feels Like:	95°F
Dewpoint:	75°F
Rel. Hum.:	70%
Visibility:	10 miles
Wind:	SE at 14 mph
Pressure:	29.83 inches
Last 72 hours
Local Area Snow Depth
Texas Current Weather
Texas MOS Forecast Weather

Regional Weather Maps

(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

THIS AFTERNOON
Mostly sunny with a slight chance of showers and thunderstorms. Near steady temperature in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 20 mph. Chance of rain 20 percent. Heat index values up to 112.

TONIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph, becoming south around 5 mph after midnight. Heat index values up to 105 early in the evening.

LABOR DAY
Sunny with highs in the upper 90s. Southeast winds 10 to 15 mph. Heat index values up to 113.

MONDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph, diminishing to around 5 mph after midnight. Heat index values up to 108 early in the evening.

TUESDAY
Sunny with highs in the upper 90s. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 113.

TUESDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.

WEDNESDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. Heat index values up to 110.

WEDNESDAY NIGHT
Partly cloudy. Lows in the upper 70s.

THURSDAY
Mostly sunny. Highs in the upper 90s. Heat index values up to 110.

THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.

FRIDAY
Sunny, hot with highs around 100. Heat index values up to 110.

FRIDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.

SATURDAY
Sunny. Highs in the upper 90s. Heat index values up to 115.

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 AM EDT 9/ 6/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
6 SEP 2026

1 PM

96°

106°

Partly Cloudy

31%
RAIN
.5–1 in

0% Thunder
( 26% severe)

SSE 9

48%

73°

High 97°

4 PM

96°

108°

Partly Cloudy

SE 15

51%

75°

Partly Cloudy

Chance of Rain

7 PM

90°

101°

Clear

1%

0% Thunder
( 5% severe)

SE 15

62%

75°

10 PM

84°

93°

Clear

SE 10

77%

76°

Monday
7 SEP 2026

1 AM

82°

90°

Clear

0%

0% Thunder
( 6% severe)

SSE 7

85%

77°

Low 76°

4 AM

80°

86°

Clear

SSE 6

91%

77°

High 100°

7 AM

79°

83°

Clear

8%

0% Thunder
( 15% severe)

SE 5

91%

76°

Partly Cloudy

Chance of Rain

10 AM

89°

102°

Partly Cloudy

SSE 7

68%

77°

1 PM

96°

106°

Clear

23%
RAIN
.01–.1 in

0% Thunder
( 27% severe)

SE 10

48%

73°

4 PM

96°

107°

Partly Cloudy

ESE 15

49%

74°

7 PM

90°

101°

Partly Cloudy

1%

0% Thunder
( 6% severe)

SE 16

62%

75°

10 PM

84°

94°

Clear

SE 10

80%

77°

Tuesday
8 SEP 2026

1 AM

82°

90°

Clear

2%

0% Thunder
( 6% severe)

SSE 7

85%

77°

Low 76°

4 AM

81°

88°

Clear

SSE 6

88%

77°

High 100°

7 AM

79°

83°

Partly Cloudy

7%

0% Thunder
( 16% severe)

SE 5

91%

76°

Partly Cloudy

10 AM

88°

101°

Partly Cloudy

SSE 7

72%

78°

1 PM

96°

107°

Partly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 38% severe)

SE 10

49%

74°

4 PM

96°

107°

Partly Cloudy

ESE 15

49%

74°

7 PM

90°

101°

Partly Cloudy

ESE 16

62%

75°


HARLINGEN, TX extended weather forecast
Wednesday 9 SEP 2026	Thursday 10 SEP 2026	Friday 11 SEP 2026	Saturday 12 SEP 2026	Sunday 13 SEP 2026
Low 76°	Low 76°	Low 76°	Low 79°	Low 77°
High 94°	High 97°	High 99°	High 98°	High 98°

Mostly Cloudy 41% Rain	Mostly Cloudy 28% Rain	Partly Cloudy 25% Rain	Partly Cloudy 23% Rain	Partly Cloudy 27% Rain

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