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
8:53 PM CST FEB 5, 2026
Clear 48°F
Feels Like:	46°F
Dewpoint:	41°F
Rel. Hum.:	77%
Visibility:	10 miles
Wind:	SSE at 5 mph
Pressure:	30.32 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 5:00 AM MST 2/ 5/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
5 FEB 2026

12 PM

65°

65°

Clear

0%

0% Thunder
( 0% severe)

N 12

43%

42°

High 67°

3 PM

66°

66°

Clear

NE 12

40%

41°

Clear

6 PM

61°

60°

Clear

0%

0% Thunder
( 0% severe)

ENE 7

51%

43°

9 PM

54°

53°

Clear

ESE 5

66%

43°

Friday
6 FEB 2026

12 AM

51°

50°

Clear

0%

0% Thunder
( 0% severe)

S 5

77%

44°

Low 45°

3 AM

48°

46°

Clear

SW 5

83%

43°

High 75°

6 AM

46°

45°

Clear

0%

0% Thunder
( 0% severe)

WSW 3

86%

42°

Clear

9 AM

57°

57°

Clear

WSW 3

67%

46°

12 PM

72°

72°

Clear

0%

0% Thunder
( 0% severe)

WSW 8

38%

45°

3 PM

74°

74°

Clear

ESE 8

37%

46°

6 PM

67°

67°

Clear

0%

0% Thunder
( 0% severe)

SE 7

54%

50°

9 PM

60°

60°

Clear

S 6

78%

53°

Saturday
7 FEB 2026

12 AM

57°

56°

Clear

0%

0% Thunder
( 0% severe)

S 6

86%

53°

Low 52°

3 AM

55°

54°

Clear

SSW 5

93%

53°

High 76°

6 AM

53°

53°

Clear

0%

0% Thunder
( 0% severe)

SW 2

93%

51°

Clear

9 AM

61°

62°

Clear

SSW 1

81%

55°

12 PM

74°

74°

Clear

0%

0% Thunder
( 0% severe)

SE 7

50%

54°

3 PM

74°

74°

Clear

ESE 12

50%

54°

6 PM

67°

67°

Clear

ESE 9

68%

56°


PORT ISABEL, TX extended weather forecast
Sunday 8 FEB 2026	Monday 9 FEB 2026	Tuesday 10 FEB 2026	Wednesday 11 FEB 2026	Thursday 12 FEB 2026
Low 56°	Low 61°	Low 62°	Low 61°	Low 66°
High 77°	High 77°	High 77°	High 78°	High 80°

Clear 8% Rain	Partly Cloudy 15% Rain	Mostly Cloudy 26% Rain	Mostly Cloudy 24% Rain	Mostly Cloudy 21% Rain

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