Port Isabel, TX Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Sunny 72°F
Feels Like 72°F  
Humidity N/A Dew Point N/A Wind SE 11 MPH Gusts 13 Barometer 29.93 in.
Solar Rad 136 w/m2
Report from a MADIS/MESONET weather station 1 mi. SSW of central Port Isabel
at

Point Forecast at a Glance

FriDec 12
Fri Dec 12: Mostly Sunny, High 76F, Low 69F
76
69
SatDec 13
Sat Dec 13: Thunderstorms, High 76F, Low 68F
40%
76
68
SunDec 14
Sun Dec 14: Thunderstorms, High 73F, Low 64F
50%
73
64
MonDec 15
Mon Dec 15: Mostly Cloudy, High 68F, Low 64F
68
64
TueDec 16
Tue Dec 16: Showers, High 73F, Low 67F
20%
73
67
WedDec 17
Wed Dec 17: Showers, High 75F, Low 68F
20%
75
68
ThuDec 18
Thu Dec 18: Mostly Sunny, High 76F
76
 

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 68°F to 76°F. Unsettled weather expected with rain likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 2°F above the historical average for December. Normal highs for this period are around 72°F with lows around 54°F.

This Date in Weather History

1882 - Portland, OR, was drenched with 7.66 inches of rain, a record 24 hour total for that location.

More on this and other weather history

Port Isabel, TX 7 Day Weather Forecast Details

Friday Dec 12

Mostly Sunny

Day: Mostly sunny, with a high near 76. South southeast wind 10 to 14 mph.

Thunderstorms

Night: A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 69. Southeast wind 7 to 9 mph.

Saturday Dec 13

Thunderstorms

Day: A 40 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 76. Southeast wind 7 to 10 mph.

Thunderstorms

Night: A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 68. South southeast wind 5 to 8 mph.

Sunday Dec 14

Thunderstorms

Day: A chance of showers and thunderstorms. Partly sunny, with a high near 73. Breezy, with a north northeast wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation is 50%.

Showers

Night: A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 64. Breezy, with a north northeast wind 18 to 21 mph, with gusts as high as 26 mph.

Monday Dec 15

Mostly Cloudy

Day: Mostly cloudy, with a high near 68. Northeast wind 13 to 17 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 64. East northeast wind 9 to 11 mph becoming southeast after midnight.

Tuesday Dec 16

Showers

Day: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 73. Southeast wind 10 to 14 mph.

Showers

Night: A 20 percent chance of showers. Mostly cloudy, with a low around 67. South southeast wind around 11 mph.

Wednesday Dec 17

Showers

Day: A 20 percent chance of showers. Partly sunny, with a high near 75. South southeast wind 10 to 14 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 68.

Thursday Dec 18

Mostly Sunny

Day: Mostly sunny, with a high near 76.


About Port Isabel, TX

Port Isabel is a city in Cameron County, Texas, United States. It is part of the Brownsville–Harlingen–Raymondville and the Matamoros–Brownsville metropolitan areas. The population was 5,028 at the 2020 census. The city's name is given to the Port Isabel Detention Center, 12 miles (19 km) to the northwest next to Port Isabel-Cameron County Airport.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.