PORT ISABEL, TX 78578 Weather Forecast & Current Conditions

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78578 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORT ISABEL, TX Current Weather
3:53 PM CDT OCT 2, 2025
Few Clouds 88°F
Feels Like:	95°F
Dewpoint:	72°F
Rel. Hum.:	59%
Visibility:	10 miles
Wind:	NE at 14 mph, gusts to 20
Pressure:	30.03 inches
Last 72 hours
Local Area Snow Depth
Texas Current Weather
Texas MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

78578 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	PORT ISABEL, TX 78578 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Cloudy this morning, then becoming partly sunny. Patchy fog this morning. Highs in the lower 80s. Southeast winds 5 to 10 mph.

TONIGHT
Mostly cloudy. Lows in the upper 60s. East winds 5 to 10 mph, becoming south after midnight.

WEDNESDAY
Partly sunny in the morning, then clearing. Breezy with highs around 90. Southwest winds 5 to 10 mph, increasing to southeast 20 to 25 mph with gusts up to 35 mph in the afternoon.

WEDNESDAY NIGHT
Mostly clear and breezy and less humid with lows in the mid 60s. Northeast winds 15 to 25 mph with gusts up to 40 mph.

THURSDAY
Sunny, breezy and much cooler with highs in the mid 70s. Northeast winds 15 to 25 mph with gusts up to 35 mph.

THURSDAY NIGHT
Partly cloudy. Lows in the upper 50s.

FRIDAY
Sunny. Highs in the mid 70s.

FRIDAY NIGHT AND SATURDAY
Partly cloudy and breezy. Lows around 60. Highs in the upper 70s.

SATURDAY NIGHT THROUGH SUNDAY NIGHT
Partly cloudy and windy. Lows in the upper 60s. Highs in the upper 70s.

MONDAY
Partly sunny and breezy. Highs in the lower 80s.

78578 WEATHER SATELLITE LOOPS

Visible Weather Satellite
PORT ISABEL, TX 78578

Infrared Weather Satellite
PORT ISABEL, TX 78578

78578 WEATHER RADAR LOOP

NEXRAD Weather Radar
PORT ISABEL, TX 78578

MOS COMPUTER WEATHER FORECAST

PORT ISABEL, TX 3 hourly weather forecast

weather forecast created 6:00 AM MDT 10/ 2/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
2 OCT 2025

1 PM

88°

93°

Clear

1%

0% Thunder
( 3% severe)

NE 12

55%

70°

High 89°

4 PM

88°

93°

Clear

ENE 13

55%

70°

Clear

7 PM

83°

88°

Clear

1%

0% Thunder
( 1% severe)

ENE 10

67%

71°

10 PM

80°

83°

Clear

E 7

74%

71°

Friday
3 OCT 2025

1 AM

78°

80°

Clear

2%

0% Thunder
( 3% severe)

E 3

79%

71°

Low 73°

4 AM

76°

77°

Partly Cloudy

NE 3

85%

71°

High 88°

7 AM

74°

74°

Partly Cloudy

10%
RAIN
.25–.5 in

0% Thunder
( 13% severe)

N 3

90%

71°

Partly Cloudy

10 AM

83°

88°

Partly Cloudy

N 8

70%

72°

1 PM

86°

91°

Partly Cloudy

16%
RAIN
.25–.5 in

0% Thunder
( 21% severe)

NE 13

61%

71°

4 PM

86°

92°

Partly Cloudy

NE 15

63%

72°

7 PM

82°

87°

Partly Cloudy

21%
RAIN
1–2 in

0% Thunder
( 18% severe)

NE 13

74%

73°

10 PM

80°

84°

Clear

NE 9

79%

73°

Saturday
4 OCT 2025

1 AM

78°

80°

Clear

22%
RAIN
***

0% Thunder
( 24% severe)

ENE 6

85%

73°

Low 74°

4 AM

76°

76°

Partly Cloudy

NE 6

90%

73°

High 87°

7 AM

75°

75°

Partly Cloudy

31%
RAIN
.1–.25 in

0% Thunder
( 31% severe)

NNE 6

94%

73°

Partly Cloudy

Chance of Rain

10 AM

82°

88°

Partly Cloudy

NNE 10

77%

74°

1 PM

84°

90°

Partly Cloudy

20%
RAIN
.01–.1 in

0% Thunder
( 27% severe)

NE 13

70%

73°

4 PM

85°

92°

Partly Cloudy

NE 14

67%

73°

7 PM

82°

88°

Partly Cloudy

ENE 12

77%

74°


PORT ISABEL, TX extended weather forecast
Sunday 5 OCT 2025	Monday 6 OCT 2025	Tuesday 7 OCT 2025	Wednesday 8 OCT 2025	Thursday 9 OCT 2025
Low 72°	Low 75°	Low 75°	Low 76°	Low 75°
High 89°	High 91°	High 90°	High 88°	High 89°

Partly Cloudy 38% Rain	Partly Cloudy 19% Rain	Clear 18% Rain	Partly Cloudy 42% Rain	Partly Cloudy 33% Rain

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