Hourly Weather Forecast - Port Isabel, TX

1 PM
71°F
40%
22mph
NNE
40% Chance of Light Rain
Humidity
93%
Feels like
71°F
Dew Point
69°F
2 PM
68°F
30%
23mph
NNE
30% Chance of Light Rain
Humidity
95%
Feels like
68°F
Dew Point
67°F
3 PM
67°F
70%
23mph
NNE
70% Chance of Light Rain
Humidity
95%
Feels like
67°F
Dew Point
65°F
4 PM
65°F
30%
23mph
NNE
30% Chance of Light Rain
Humidity
93%
Feels like
65°F
Dew Point
64°F
5 PM
65°F
10%
22mph
NNE
Windy
Humidity
89%
Feels like
65°F
Dew Point
62°F
5:39 PM
6 PM
65°F
30%
22mph
NNE
30% Chance of Light Rain
Humidity
86%
Feels like
65°F
Dew Point
60°F
7 PM
64°F
30%
21mph
NNE
30% Chance of Light Rain
Humidity
83%
Feels like
64°F
Dew Point
59°F
8 PM
64°F
30%
21mph
NNE
30% Chance of Light Rain
Humidity
82%
Feels like
64°F
Dew Point
58°F
9 PM
63°F
30%
20mph
NNE
30% Chance of Light Rain
Humidity
81%
Feels like
63°F
Dew Point
57°F
10 PM
62°F
30%
19mph
NNE
30% Chance of Light Rain
Humidity
81%
Feels like
62°F
Dew Point
56°F
11 PM
61°F
30%
18mph
NNE
30% Chance of Light Rain
Humidity
80%
Feels like
61°F
Dew Point
55°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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