Hourly Weather Forecast - Port Isabel, TX

12 AM
66°F
30%
6mph
SSE
30% Chance of Light Rain
Humidity
95%
Feels like
66°F
Dew Point
64°F
1 AM
65°F
30%
6mph
S
30% Chance of Light Rain
Humidity
96%
Feels like
65°F
Dew Point
64°F
2 AM
64°F
0%
5mph
S
Cloudy
Humidity
97%
Feels like
64°F
Dew Point
63°F
3 AM
64°F
0%
5mph
S
Cloudy
Humidity
98%
Feels like
64°F
Dew Point
63°F
4 AM
63°F
0%
5mph
S
Foggy
Humidity
99%
Feels like
63°F
Dew Point
63°F
5 AM
63°F
0%
5mph
SSW
Foggy
Humidity
100%
Feels like
63°F
Dew Point
63°F
6 AM
62°F
0%
5mph
SSW
Foggy
Humidity
100%
Feels like
62°F
Dew Point
62°F
7 AM
63°F
0%
5mph
SSW
Foggy
Humidity
100%
Feels like
63°F
Dew Point
63°F
7:10 AM
8 AM
65°F
0%
6mph
SSW
Foggy
Humidity
100%
Feels like
65°F
Dew Point
65°F
9 AM
67°F
0%
7mph
SSW
Cloudy
Humidity
96%
Feels like
67°F
Dew Point
66°F
10 AM
69°F
0%
8mph
SSW
Cloudy
Humidity
91%
Feels like
69°F
Dew Point
67°F
11 AM
72°F
0%
8mph
SSW
Partly Cloudy
Humidity
86%
Feels like
72°F
Dew Point
67°F
12 PM
74°F
0%
9mph
SSW
Mostly Sunny
Humidity
82%
Feels like
74°F
Dew Point
67°F
1 PM
75°F
0%
9mph
SSW
Mostly Sunny
Humidity
78%
Feels like
75°F
Dew Point
68°F
2 PM
76°F
0%
9mph
S
Mostly Sunny
Humidity
76%
Feels like
76°F
Dew Point
68°F
3 PM
76°F
0%
8mph
S
Mostly Sunny
Humidity
76%
Feels like
76°F
Dew Point
68°F
4 PM
75°F
0%
7mph
S
Mostly Sunny
Humidity
78%
Feels like
75°F
Dew Point
68°F
5 PM
73°F
0%
6mph
SSE
Mostly Sunny
Humidity
83%
Feels like
73°F
Dew Point
68°F
5:40 PM
6 PM
72°F
0%
5mph
SSE
Clear
Humidity
87%
Feels like
72°F
Dew Point
67°F
7 PM
70°F
0%
5mph
SE
Clear
Humidity
89%
Feels like
70°F
Dew Point
67°F
8 PM
69°F
0%
4mph
SE
Cloudy
Humidity
90%
Feels like
69°F
Dew Point
66°F
9 PM
69°F
0%
3mph
SE
Cloudy
Humidity
90%
Feels like
69°F
Dew Point
66°F
10 PM
68°F
0%
3mph
E
Cloudy
Humidity
90%
Feels like
68°F
Dew Point
65°F
11 PM
68°F
0%
4mph
NE
Cloudy
Humidity
90%
Feels like
68°F
Dew Point
64°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.

Tuesday's Weather Outlook

Tuesday'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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