LOS FRESNOS, TX 78566 Weather Forecast & Current Conditions

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PORT ISABEL, TX
Current Weather

2:53 AM CDT JUN 9, 2026
Overcast
81°F
Feels Like: 89°F
Dewpoint: 79°F
Rel. Hum.: 94%
Visibility: 9 miles
Wind: SE at 9 mph
Pressure: 29.95 inches
Last 72 hours

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LOS FRESNOS, TX 78566
Weather Forecast

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REST OF TONIGHT
Mostly cloudy. Near steady temperature in the lower 80s. Southeast winds 5 to 10 mph with gusts up to 20 mph.
TUESDAY
Mostly sunny. Humid with highs in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
TUESDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the evening.
WEDNESDAY
Mostly sunny. Humid with highs in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 107.
WEDNESDAY NIGHT
Mostly clear. Humid with lows around 80. Southeast winds 10 to 15 mph with gusts up to 25 mph.
THURSDAY
Mostly sunny. Highs in the lower 90s. Heat index values up to 105.
THURSDAY NIGHT
Mostly clear. Lows around 80.
FRIDAY
Mostly sunny. Highs in the lower 90s. Heat index values up to 105.
FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s.
SATURDAY
Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 105.
SATURDAY NIGHT
Partly cloudy. Lows in the upper 70s.
SUNDAY
Mostly sunny. Highs in the lower 90s. Heat index values up to 105.
SUNDAY NIGHT
Partly cloudy. Lows around 80.

Visible Weather Satellite
LOS FRESNOS, TX 78566
Infrared Weather Satellite
LOS FRESNOS, TX 78566
NEXRAD Weather Radar
LOS FRESNOS, TX 78566

PORT ISABEL, TX 3 hourly weather forecast

weather forecast created  6:00 PM MDT  6/ 8/2026
Tuesday
9 JUN 2026
LOS FRESNOS, TX 78566 weather forecast Day 1, 0 hours 1 AM 83° 93° Mostly Cloudy 6%

0% Thunder
( 8% severe)
SE   13 85% 78°
Low 81° LOS FRESNOS, TX 78566 weather forecast Day 1, 3 hours 4 AM 83° 93° Mostly Cloudy SE   10 85% 78°
High 89° LOS FRESNOS, TX 78566 weather forecast Day 1, 6 hours 7 AM 82° 90° Mostly Cloudy 4%

0% Thunder
( 8% severe)
SE   10 85% 77°

Partly Cloudy



LOS FRESNOS, TX 78566 weather forecast Day 1, 9 hours 10 AM 87° 99° Partly Cloudy SE   13 72% 77°
LOS FRESNOS, TX 78566 weather forecast Day 1, 12 hours 1 PM 89° 102° Partly Cloudy 1%

0% Thunder
( 6% severe)
ESE   15 68% 77°
LOS FRESNOS, TX 78566 weather forecast Day 1, 15 hours 4 PM 88° 100° Partly Cloudy ESE   16 70% 77°
LOS FRESNOS, TX 78566 weather forecast Day 1, 18 hours 7 PM 85° 96° Partly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 7% severe)
ESE   15 77% 77°
LOS FRESNOS, TX 78566 weather forecast Day 1, 21 hours 10 PM 83° 92° Partly Cloudy ESE   13 82% 77°
Wednesday
10 JUN 2026
LOS FRESNOS, TX 78566 weather forecast Day 2, 0 hours 1 AM 83° 93° Partly Cloudy 6%

0% Thunder
( 9% severe)
SE   12 85% 78°
Low 81° LOS FRESNOS, TX 78566 weather forecast Day 2, 3 hours 4 AM 82° 90° Partly Cloudy SE   10 85% 77°
High 90° LOS FRESNOS, TX 78566 weather forecast Day 2, 6 hours 7 AM 82° 90° Partly Cloudy 1%

0% Thunder
( 13% severe)
SE   10 85% 77°

Partly Cloudy



LOS FRESNOS, TX 78566 weather forecast Day 2, 9 hours 10 AM 88° 100° Partly Cloudy SE   14 70% 77°
LOS FRESNOS, TX 78566 weather forecast Day 2, 12 hours 1 PM 89° 103° Partly Cloudy 1%

0% Thunder
( 20% severe)
SE   17 70% 78°
LOS FRESNOS, TX 78566 weather forecast Day 2, 15 hours 4 PM 89° 103° Partly Cloudy ESE   18 70% 78°
LOS FRESNOS, TX 78566 weather forecast Day 2, 18 hours 7 PM 86° 98° Partly Cloudy 1%

0% Thunder
( 9% severe)
ESE   17 77% 78°
LOS FRESNOS, TX 78566 weather forecast Day 2, 21 hours 10 PM 84° 95° Partly Cloudy SE   15 82% 78°

PORT ISABEL, TX extended weather forecast

Thursday
11 JUN 2026
Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Monday
15 JUN 2026
Low 80° Low 80° Low 80° Low 78° Low 80°
High 92° High 89° High 89° High 91° High 92°
LOS FRESNOS, TX 78566 weather forecast Day 3 LOS FRESNOS, TX 78566 weather forecast Day 4 LOS FRESNOS, TX 78566 weather forecast Day 5 LOS FRESNOS, TX 78566 weather forecast Day 6 LOS FRESNOS, TX 78566 weather forecast Day 7
Partly Cloudy
25% Rain
Mostly Cloudy
56% Rain
Overcast
71% Rain
Mostly Cloudy
39% Rain
Partly Cloudy
33% Rain
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