Port Isabel Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Port Isabel

Port Isabel temperature today is 27°, feels like 31°, with a humidity level of 91% and wind at 20.38 km/h. Rain chance today is 98%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in Port Isabel: expect a high of 28° and a low of 25°, with light rain. Rain chance tomorrow is 100%.

broken clouds
27°
broken clouds
H: 27° L: 26°
Feels like 31°
AQI: Fair (2/5)
Humidity
91%
Dew 25°
Wind speed
20.38 km/h
N
Pressure
1013 hPa
Visibility
4.5 km
High Winds
Wind speed is 20.38 km/h. Secure loose objects.
High Humidity
Humidity is 91%. May feel uncomfortable.
Weather Summary
Currently in Port Isabel, expect varied conditions with warm temperatures around 27°, though it feels warmer. Winds are moderate winds. High humidity may make it feel uncomfortable.
Precipitation Probability
98%
13
92%
16
65%
19
69%
22
47%
01
93%
04
100%
07
100%
10
35%
13
100%
16
60%
19
100%
22
83%
01
53%
04
100%
07
45%
10
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
29°
Tue
13:00
28°
 
27°
 
27°
 
27°
Wed
01:00
25°
 
25°
 
26°
 
28°
Wed
13:00
26°
 
27°
 
26°
 
26°
Thu
01:00
26°
 
26°
 
28°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
07:23
Sunset
Sunset
19:10
Moon Phase
Last Quarter (19%)
Timezone: GMT+05:30
Last updated: Oct 6, 2026 10:59 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
26.073410
Longitude
Longitude
-97.208580
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More about Port Isabel
Content curated by the NearWeather editorial team · Updated periodically
Port Isabel is a small city located in Cameron County, Texas, United States. It is situated along the western shore of the Laguna Madre, a shallow bay of the Gulf of Mexico. The climate in Port Isabel is subtropical with hot, humid summers and mild winters. Average temperatures range from highs of 90°F (32°C) in the summer to lows of 62°F (17°C) in the winter. Rainfall is abundant throughout the year with an average of 35 inches (889 mm) annually.
Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Port Isabel
What is the temperature in Port Isabel right now?

The current temperature in Port Isabel is 27°, and it feels like 31°. Today's high is 27° and the low is 26°.

Will it rain in Port Isabel today?

The chance of rain in Port Isabel today is 98%. Check the hourly forecast above for exact timing.

What is the weather in Port Isabel today?

Port Isabel is experiencing broken clouds with a temperature of 27°. Humidity is at 91% and wind speed is 20.38 km/h from the N.

What is the humidity in Port Isabel today?

Humidity in Port Isabel is 91% right now, with a dew point of 25°. Conditions may feel muggy or uncomfortable.

What is the wind speed in Port Isabel today?

Wind speed in Port Isabel is 20.38 km/h, flowing at 350° N wind direction.

What is the 5-day forecast for Port Isabel?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for Port Isabel. Today's high is 27° and low is 26°, with a 98% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in Port Isabel today?

It feels like 31° in Port Isabel today, with 57% cloud cover and 4.5 km visibility.

Weather in Port Isabel