PORT ISABEL, TX 78578 Weather Forecast & Current Conditions

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PORT ISABEL, TX
Current Weather

7:53 AM CDT MAY 2, 2025
Broken Clouds
79°F
Feels Like: 82°F
Dewpoint: 73°F
Rel. Hum.: 82%
Visibility: 10 miles
Wind: SE at 15 mph
Pressure: 29.85 inches
Last 72 hours

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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.

Visible Weather Satellite
PORT ISABEL, TX 78578
Infrared Weather Satellite
PORT ISABEL, TX 78578
NEXRAD Weather Radar
PORT ISABEL, TX 78578

PORT ISABEL, TX 3 hourly weather forecast

weather forecast created  6:00 PM MDT  5/ 1/2025
Friday
2 MAY 2025
PORT ISABEL, TX 78578 weather forecast Day 1, 0 hours 1 AM 77° 78° Mostly Cloudy 4%

0% Thunder
( 14% severe)
SE   10 94% 75°
Low 75° PORT ISABEL, TX 78578 weather forecast Day 1, 3 hours 4 AM 76° 76° Mostly Cloudy SE   10 94% 74°
High 86° PORT ISABEL, TX 78578 weather forecast Day 1, 6 hours 7 AM 76° 76° Mostly Cloudy 1%

0% Thunder
( 8% severe)
SE   13 90% 73°

Mostly Cloudy




Breezy
PORT ISABEL, TX 78578 weather forecast Day 1, 9 hours 10 AM 81° 86° Mostly Cloudy SE   17 77% 73°
PORT ISABEL, TX 78578 weather forecast Day 1, 12 hours 1 PM 85° 91° Mostly Cloudy 1%

0% Thunder
( 8% severe)
SSE   21 65% 72°
PORT ISABEL, TX 78578 weather forecast Day 1, 15 hours 4 PM 85° 91° Partly Cloudy SE   21 65% 72°
PORT ISABEL, TX 78578 weather forecast Day 1, 18 hours 7 PM 81° 86° Mostly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 24% severe)
SE   16 77% 73°
PORT ISABEL, TX 78578 weather forecast Day 1, 21 hours 10 PM 78° 81° Mostly Cloudy SE   13 91% 75°
Saturday
3 MAY 2025
PORT ISABEL, TX 78578 weather forecast Day 2, 0 hours 1 AM 77° 78° Mostly Cloudy 38%
RAIN
1–2 in
0% Thunder
( 27% severe)
SE   12 94% 75°
Low 73° PORT ISABEL, TX 78578 weather forecast Day 2, 3 hours 4 AM 76° 76° Mostly Cloudy ESE   9 94% 74°
High 82° PORT ISABEL, TX 78578 weather forecast Day 2, 6 hours 7 AM 75° 75° Mostly Cloudy 78%
RAIN
***
0% Thunder
( 36% severe)
E   7 94% 73°

Mostly Cloudy

Rain Likely

PORT ISABEL, TX 78578 weather forecast Day 2, 9 hours 10 AM 77° 78° Mostly Cloudy E   10 90% 74°
PORT ISABEL, TX 78578 weather forecast Day 2, 12 hours 1 PM 79° 83° Mostly Cloudy 62%
RAIN
***
0% Thunder
( 37% severe)
ENE   13 85% 74°
PORT ISABEL, TX 78578 weather forecast Day 2, 15 hours 4 PM 79° 83° Mostly Cloudy NE   14 85% 74°
PORT ISABEL, TX 78578 weather forecast Day 2, 18 hours 7 PM 77° 78° Mostly Cloudy 31%
RAIN
***
0% Thunder
( 16% severe)
NE   12 85% 72°
PORT ISABEL, TX 78578 weather forecast Day 2, 21 hours 10 PM 75° 75° Mostly Cloudy NE   10 90% 72°

PORT ISABEL, TX extended weather forecast

Sunday
4 MAY 2025
Monday
5 MAY 2025
Tuesday
6 MAY 2025
Wednesday
7 MAY 2025
Thursday
8 MAY 2025
Low 73° Low 76° Low 78° Low 77° Low 75°
High 83° High 87° High 89° High 88° High 89°
PORT ISABEL, TX 78578 weather forecast Day 3 PORT ISABEL, TX 78578 weather forecast Day 4 PORT ISABEL, TX 78578 weather forecast Day 5 PORT ISABEL, TX 78578 weather forecast Day 6 PORT ISABEL, TX 78578 weather forecast Day 7
Overcast
49% Rain
Overcast
22% Rain
Overcast
29% Rain
Overcast
25% Rain
Overcast
22% Rain
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