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
1:53 AM CDT APR 2, 2025
Overcast
79°F
Feels Like: 82°F
Dewpoint: 73°F
Rel. Hum.: 82%
Visibility: 8 miles
Wind: S at 20 mph, gusts to 29
Pressure: 29.60 inches
Last 72 hours

Local Area Snow Depth

Texas Current Weather

Texas MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  78578 WEATHER FORECAST
10-Day model forecast maps
2024 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 PM MST  4/ 1/2025
Wednesday
2 APR 2025		 PORT ISABEL, TX 78578 weather forecast Day 1, 0 hours 12 AM 75° 75° Mostly Cloudy 0%

 0% Thunder
( 3% severe)		 S   17 90% 72°
Low 73° PORT ISABEL, TX 78578 weather forecast Day 1, 3 hours 3 AM 74° 74° Partly Cloudy SSE   20 93% 72°
High 89° PORT ISABEL, TX 78578 weather forecast Day 1, 6 hours 6 AM 74° 74° Partly Cloudy 0%

 0% Thunder
( 3% severe)		 S   21 90% 71°

Partly Cloudy




Windy		 PORT ISABEL, TX 78578 weather forecast Day 1, 9 hours 9 AM 81° 85° Partly Cloudy S   23 74% 72°
PORT ISABEL, TX 78578 weather forecast Day 1, 12 hours 12 PM 87° 93° Clear 0%

 0% Thunder
( 3% severe)		 S   24 61% 72°
PORT ISABEL, TX 78578 weather forecast Day 1, 15 hours 3 PM 86° 93° Partly Cloudy SSE   22 65% 73°
PORT ISABEL, TX 78578 weather forecast Day 1, 18 hours 6 PM 80° 85° Mostly Cloudy 0%

 0% Thunder
( 6% severe)		 SSE   18 82% 74°
PORT ISABEL, TX 78578 weather forecast Day 1, 21 hours 9 PM 76° 76° Mostly Cloudy SSE   18 90% 73°
Thursday
3 APR 2025		 PORT ISABEL, TX 78578 weather forecast Day 2, 0 hours 12 AM 76° 76° Partly Cloudy 0%

 0% Thunder
( 6% severe)		 SSE   16 87% 72°
Low 74° PORT ISABEL, TX 78578 weather forecast Day 2, 3 hours 3 AM 75° 75° Partly Cloudy SSE   17 90% 72°
High 89° PORT ISABEL, TX 78578 weather forecast Day 2, 6 hours 6 AM 75° 75° Mostly Cloudy 0%

 0% Thunder
( 4% severe)		 S   18 90% 72°

Partly Cloudy




Windy		 PORT ISABEL, TX 78578 weather forecast Day 2, 9 hours 9 AM 82° 87° Partly Cloudy S   21 74% 73°
PORT ISABEL, TX 78578 weather forecast Day 2, 12 hours 12 PM 88° 96° Partly Cloudy 0%

 0% Thunder
( 3% severe)		 S   23 61% 73°
PORT ISABEL, TX 78578 weather forecast Day 2, 15 hours 3 PM 86° 93° Partly Cloudy SSE   23 65% 73°
PORT ISABEL, TX 78578 weather forecast Day 2, 18 hours 6 PM 80° 84° Partly Cloudy 0%

 0% Thunder
( 6% severe)		 SSE   20 79% 73°
PORT ISABEL, TX 78578 weather forecast Day 2, 21 hours 9 PM 76° 76° Mostly Cloudy SE   21 94% 74°

PORT ISABEL, TX extended weather forecast
Friday
4 APR 2025		 Saturday
5 APR 2025		 Sunday
6 APR 2025		 Monday
7 APR 2025		 Tuesday
8 APR 2025
Low 76° Low 74° Low 51° Low 53° Low 60°
High 89° High 80° High 66° High 78° High 82°
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
17% Rain		 Overcast
25% Rain		 Partly Cloudy
26% Rain		 Partly Cloudy
18% Rain		 Clear
2% Rain
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