Hourly Weather Forecast - Port Isabel, TX

12 AM
57°F
0%
4mph
NNW
Mostly Cloudy
Humidity
84%
Feels like
57°F
Dew Point
52°F
1 AM
57°F
0%
3mph
N
Partly Cloudy
Humidity
85%
Feels like
57°F
Dew Point
53°F
2 AM
57°F
0%
2mph
NNE
Partly Cloudy
Humidity
86%
Feels like
57°F
Dew Point
53°F
3 AM
58°F
0%
3mph
ENE
Partly Cloudy
Humidity
87%
Feels like
58°F
Dew Point
54°F
4 AM
58°F
0%
3mph
ENE
Partly Cloudy
Humidity
87%
Feels like
58°F
Dew Point
55°F
5 AM
59°F
0%
3mph
E
Partly Cloudy
Humidity
87%
Feels like
59°F
Dew Point
55°F
6 AM
60°F
0%
4mph
E
Partly Cloudy
Humidity
87%
Feels like
60°F
Dew Point
56°F
7 AM
62°F
10%
5mph
E
Partly Cloudy
Humidity
86%
Feels like
62°F
Dew Point
58°F
7:09 AM
8 AM
64°F
10%
5mph
ESE
Partly Cloudy
Humidity
85%
Feels like
64°F
Dew Point
60°F
9 AM
67°F
10%
6mph
ESE
Partly Cloudy
Humidity
83%
Feels like
67°F
Dew Point
61°F
10 AM
69°F
10%
9mph
ESE
Partly Cloudy
Humidity
83%
Feels like
69°F
Dew Point
63°F
11 AM
70°F
10%
11mph
SE
Partly Cloudy
Humidity
83%
Feels like
70°F
Dew Point
64°F
12 PM
71°F
10%
13mph
SE
Partly Cloudy
Humidity
83%
Feels like
71°F
Dew Point
65°F
1 PM
70°F
10%
13mph
SE
Mostly Cloudy
Humidity
84%
Feels like
70°F
Dew Point
65°F
2 PM
70°F
10%
14mph
SE
Mostly Cloudy
Humidity
87%
Feels like
70°F
Dew Point
66°F
3 PM
70°F
10%
14mph
SE
Mostly Cloudy
Humidity
89%
Feels like
70°F
Dew Point
66°F
4 PM
69°F
30%
13mph
SE
30% Chance Rain Showers
Humidity
89%
Feels like
69°F
Dew Point
66°F
5 PM
70°F
30%
11mph
SE
30% Chance Rain Showers
Humidity
89%
Feels like
70°F
Dew Point
66°F
5:40 PM
6 PM
70°F
30%
10mph
SE
30% Chance Rain Showers
Humidity
89%
Feels like
70°F
Dew Point
66°F
7 PM
70°F
30%
9mph
SE
30% Chance Rain Showers
Humidity
88%
Feels like
70°F
Dew Point
66°F
8 PM
70°F
30%
9mph
SE
30% Chance Rain Showers
Humidity
87%
Feels like
70°F
Dew Point
65°F
9 PM
70°F
30%
9mph
SE
30% Chance of Light Rain
Humidity
86%
Feels like
70°F
Dew Point
65°F
10 PM
70°F
30%
9mph
SE
30% Chance of Light Rain
Humidity
86%
Feels like
70°F
Dew Point
65°F
11 PM
70°F
10%
9mph
SE
Mostly Cloudy
Humidity
86%
Feels like
70°F
Dew Point
65°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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