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 JUN 30, 2025
Broken Clouds Light Rain NA
Feels Like:	NA
Dewpoint:	NA
Rel. Hum.:	NA%
Visibility:	10 miles
Wind:	ESE at 5 mph
Pressure:
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 6/30/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
30 JUN 2025

1 PM

76°

75°

Mostly Cloudy

78%
RAIN
***

0% Thunder
( 33% severe)

SE 17

100%

76°

High 80°

4 PM

78°

81°

Mostly Cloudy

SE 15

91%

75°

Mostly Cloudy

Rain Likely

7 PM

79°

83°

Mostly Cloudy

31%
RAIN
.01–.1 in

0% Thunder
( 14% severe)

ESE 12

88%

75°

10 PM

78°

81°

Mostly Cloudy

ESE 10

91%

75°

Tuesday
1 JUL 2025

1 AM

77°

78°

Mostly Cloudy

34%
RAIN
.01–.1 in

0% Thunder
( 15% severe)

ESE 9

97%

76°

Low 69°

4 AM

76°

75°

Mostly Cloudy

ESE 9

100%

76°

High 85°

7 AM

74°

74°

Mostly Cloudy

56%
RAIN
***

0% Thunder
( 31% severe)

SE 9

100%

74°

Mostly Cloudy

Rain Likely

10 AM

79°

83°

Mostly Cloudy

ESE 12

94%

77°

1 PM

80°

86°

Mostly Cloudy

51%
RAIN
***

0% Thunder
( 34% severe)

ESE 15

91%

77°

4 PM

81°

88°

Mostly Cloudy

ESE 14

88%

77°

7 PM

82°

90°

Mostly Cloudy

25%
RAIN
.5–1 in

0% Thunder
( 8% severe)

ESE 12

85%

77°

10 PM

79°

83°

Mostly Cloudy

ESE 9

94%

77°

Wednesday
2 JUL 2025

1 AM

78°

81°

Mostly Cloudy

17%
RAIN
<.01 in

0% Thunder
( 11% severe)

SE 8

97%

77°

Low 70°

4 AM

77°

78°

Mostly Cloudy

SE 7

97%

76°

High 88°

7 AM

75°

75°

Mostly Cloudy

23%
RAIN
.25–.5 in

0% Thunder
( 16% severe)

SE 7

100%

75°

Mostly Cloudy

Chance of Rain

10 AM

80°

86°

Mostly Cloudy

SE 12

91%

77°

1 PM

83°

92°

Mostly Cloudy

16%
RAIN
.01–.1 in

0% Thunder
( 17% severe)

SE 15

82%

77°

4 PM

84°

94°

Mostly Cloudy

SE 15

80%

77°

7 PM

84°

94°

Mostly Cloudy

SE 13

80%

77°


PORT ISABEL, TX extended weather forecast
Thursday 3 JUL 2025	Friday 4 JUL 2025	Saturday 5 JUL 2025	Sunday 6 JUL 2025	Monday 7 JUL 2025
Low 78°	Low 79°	Low 79°	Low 79°	Low 78°
High 90°	High 91°	High 93°	High 92°	High 92°

Mostly Cloudy 34% Rain	Partly Cloudy 23% Rain	Clear 17% Rain	Clear 17% Rain	Partly Cloudy 28% Rain

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