HARLINGEN, TX 78553 Weather Forecast & Current Conditions

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78553 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
HARLINGEN, TX Current Weather
3:52 AM CDT SEP 16, 2026
Clear 79°F
Feels Like:	83°F
Dewpoint:	75°F
Rel. Hum.:	88%
Visibility:	10 miles
Wind:	SE at 7 mph
Pressure:	30.04 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
Partly cloudy. Near steady temperature around 80. Southeast winds around 5 mph.

WEDNESDAY
Mostly sunny. Humid with highs in the upper 90s. East winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 110.

WEDNESDAY NIGHT
Partly cloudy. 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. Heat index values up to 105 early in the evening.

THURSDAY
Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the mid 90s. Northeast winds 10 to 15 mph. Chance of rain 50 percent. Heat index values up to 110.

THURSDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 20 mph in the evening, becoming light and variable.

FRIDAY
Mostly sunny. A chance of showers and thunderstorms in the morning. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110.

FRIDAY NIGHT
Mostly clear. Lows in the mid 70s.

SATURDAY
Sunny. Highs in the mid 90s. Heat index values up to 105.

SATURDAY NIGHT
Mostly clear. Lows in the mid 70s.

SUNDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.

SUNDAY NIGHT
Mostly clear. Lows in the upper 70s.

MONDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.

MONDAY 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 9/15/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
16 SEP 2026

1 AM

82°

89°

Clear

2%

0% Thunder
( 2% severe)

SE 7

82%

76°

Low 78°

4 AM

80°

85°

Partly Cloudy

SE 5

88%

76°

High 100°

7 AM

79°

83°

Partly Cloudy

3%

0% Thunder
( 17% severe)

ESE 3

91%

76°

Partly Cloudy

10 AM

89°

101°

Partly Cloudy

SE 6

66%

76°

1 PM

96°

105°

Partly Cloudy

6%

0% Thunder
( 33% severe)

E 12

46%

72°

4 PM

96°

106°

Partly Cloudy

E 16

48%

73°

7 PM

89°

99°

Partly Cloudy

2%

0% Thunder
( 15% severe)

E 14

64%

75°

10 PM

84°

94°

Partly Cloudy

E 6

80%

77°

Thursday
17 SEP 2026

1 AM

82°

90°

Partly Cloudy

12%
RAIN
.01–.1 in

0% Thunder
( 18% severe)

CALM

85%

77°

Low 76°

4 AM

81°

88°

Partly Cloudy

CALM

88%

77°

High 97°

7 AM

79°

83°

Partly Cloudy

34%
RAIN
.5–1 in

0% Thunder
( 26% severe)

NA 5

91%

76°

Partly Cloudy

Chance of Rain

10 AM

86°

97°

Partly Cloudy

NE 6

75%

77°

1 PM

92°

102°

Partly Cloudy

22%
RAIN
.01–.1 in

0% Thunder
( 38% severe)

ENE 9

56%

74°

4 PM

93°

105°

Partly Cloudy

ENE 14

56%

75°

7 PM

88°

99°

Partly Cloudy

8%

0% Thunder
( 12% severe)

E 13

68%

76°

10 PM

84°

95°

Partly Cloudy

E 5

82%

78°


HARLINGEN, TX extended weather forecast
Friday 18 SEP 2026	Saturday 19 SEP 2026	Sunday 20 SEP 2026	Monday 21 SEP 2026	Tuesday 22 SEP 2026
Low 76°	Low 72°	Low 74°	Low 74°	Low 74°
High 95°	High 95°	High 96°	High 96°	High 95°

Partly Cloudy 32% Rain	Clear 18% Rain	Partly Cloudy 21% Rain	Partly Cloudy 23% Rain	Partly Cloudy 22% Rain

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