Hourly Weather Forecast - Port Isabel, TX

12 AM
68°F
10%
7mph
S
Partly Cloudy
Humidity
94%
Feels like
68°F
Dew Point
66°F
1 AM
67°F
10%
7mph
S
Partly Cloudy
Humidity
94%
Feels like
67°F
Dew Point
66°F
2 AM
67°F
10%
7mph
S
Partly Cloudy
Humidity
94%
Feels like
67°F
Dew Point
65°F
3 AM
67°F
10%
7mph
S
Partly Cloudy
Humidity
95%
Feels like
67°F
Dew Point
65°F
4 AM
66°F
10%
7mph
S
Partly Cloudy
Humidity
95%
Feels like
66°F
Dew Point
65°F
5 AM
66°F
10%
6mph
S
Partly Cloudy
Humidity
96%
Feels like
66°F
Dew Point
65°F
6 AM
66°F
10%
6mph
S
Partly Cloudy
Humidity
97%
Feels like
66°F
Dew Point
65°F
7 AM
67°F
10%
6mph
S
Partly Cloudy
Humidity
97%
Feels like
67°F
Dew Point
66°F
7:10 AM
8 AM
69°F
0%
7mph
S
Partly Cloudy
Humidity
95%
Feels like
69°F
Dew Point
67°F
9 AM
71°F
0%
8mph
S
Partly Cloudy
Humidity
91%
Feels like
71°F
Dew Point
68°F
10 AM
73°F
0%
9mph
S
Partly Cloudy
Humidity
86%
Feels like
73°F
Dew Point
69°F
11 AM
75°F
10%
10mph
S
Partly Cloudy
Humidity
82%
Feels like
75°F
Dew Point
69°F
12 PM
76°F
0%
10mph
S
Mostly Sunny
Humidity
79%
Feels like
76°F
Dew Point
69°F
1 PM
77°F
0%
11mph
S
Mostly Sunny
Humidity
77%
Feels like
77°F
Dew Point
69°F
2 PM
77°F
0%
10mph
SSE
Partly Cloudy
Humidity
77%
Feels like
77°F
Dew Point
69°F
3 PM
76°F
0%
10mph
SSE
Partly Cloudy
Humidity
78%
Feels like
76°F
Dew Point
69°F
4 PM
75°F
0%
9mph
SSE
Mostly Sunny
Humidity
80%
Feels like
75°F
Dew Point
68°F
5 PM
74°F
0%
8mph
SSE
Mostly Sunny
Humidity
82%
Feels like
74°F
Dew Point
68°F
5:40 PM
6 PM
73°F
0%
7mph
SSE
Clear
Humidity
86%
Feels like
73°F
Dew Point
68°F
7 PM
71°F
0%
6mph
SE
Clear
Humidity
89%
Feels like
71°F
Dew Point
68°F
8 PM
70°F
0%
5mph
SE
Hazy
Humidity
92%
Feels like
70°F
Dew Point
68°F
9 PM
69°F
0%
5mph
ESE
Hazy
Humidity
95%
Feels like
69°F
Dew Point
68°F
10 PM
69°F
0%
5mph
E
Hazy
Humidity
96%
Feels like
69°F
Dew Point
67°F
11 PM
68°F
0%
4mph
E
Hazy
Humidity
96%
Feels like
68°F
Dew Point
67°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

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

Cold Air Damming - Cause And Effects

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