Port Isabel, TX Hourly Weather Forecast
Next 48 Hours
Mon, Aug 31st 2026
Sunny skies early, becoming Clear conditions later. Temps range from 81° to 92°. Breezy wind, shifting from SSE to SE at 12.2 mph, while humidity ranges from 51% to 87%, and an avg barometric pressure of 29.92 inHg.
| Mon, Aug 31st | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
2 AM Clear UV: 0 |
82°F Feels 90°F |
84% | 13.4 SSE | 29.93 | 76.7°F | 10% |
3 AM Overcast UV: 0 |
82°F Feels 91°F |
87% | 12.3 S | 29.92 | 77.8°F | 28% |
4 AM ClearUV: 0 |
82°F Feels 90°F |
85% | 11 S | 29.92 | 77.1°F | 11% |
5 AM ClearUV: 0 |
82°F Feels 90°F |
86% | 9.2 S | 29.91 | 77.2°F | 11% |
6 AM Scattered Showers UV: 0 |
81°F Feels 88°F |
82% | 7.4 S | 29.91 | 75.3°F | 21% |
7 AM Scattered ShowersUV: 0 |
81°F Feels 87°F |
83% | 5.8 S | 29.93 | 75.2°F | 21% |
8 AM Sunny UV: 0.3 |
82°F Feels 89°F |
79% | 6.3 S | 29.94 | 75.2°F | 9% |
9 AM SunnyUV: 1.3 |
86°F Feels 93°F |
67% | 10.3 SSE | 29.95 | 73.1°F | 4% |
10 AM SunnyUV: 3.5 |
88°F Feels 95°F |
60% | 11.4 SSE | 29.96 | 72.1°F | 3% |
11 AM SunnyUV: 6.4 |
90°F Feels 96°F |
55% | 12.1 SSE | 29.97 | 71.6°F | 2% |
12 PM SunnyUV: 9.1 |
91°F Feels 98°F |
53% | 13.2 SE | 29.97 | 71.4°F | 2% |
1 PM SunnyUV: 10.8 |
92°F Feels 99°F |
52% | 14.8 SE | 29.95 | 71.4°F | 2% |
2 PM SunnyUV: 10.7 |
92°F Feels 99°F |
51% | 15 SE | 29.94 | 71°F | 2% |
3 PM SunnyUV: 9.1 |
92°F Feels 99°F |
51% | 15.2 SE | 29.92 | 71°F | 2% |
4 PM SunnyUV: 6.3 |
91°F Feels 98°F |
52% | 15 SE | 29.9 | 71°F | 2% |
5 PM SunnyUV: 3.4 |
90°F Feels 97°F |
54% | 14.8 SE | 29.88 | 71.4°F | 2% |
6 PM SunnyUV: 1.3 |
89°F Feels 96°F |
58% | 14.5 SE | 29.88 | 72°F | 3% |
7 PM SunnyUV: 0.2 |
86°F Feels 93°F |
64% | 14.3 SE | 29.88 | 72.6°F | 4% |
8 PM ClearUV: 0 |
84°F Feels 91°F |
71% | 13.4 SE | 29.89 | 74°F | 6% |
9 PM ClearUV: 0 |
84°F Feels 91°F |
75% | 12.8 SE | 29.91 | 74.9°F | 7% |
10 PM ClearUV: 0 |
84°F Feels 91°F |
76% | 13.6 SE | 29.93 | 74.9°F | 7% |
11 PM ClearUV: 0 |
83°F Feels 91°F |
75% | 13.2 SE | 29.94 | 74.7°F | 7% |
Tue, Sep 1st 2026
Sunny skies early, becoming Clear conditions later. Temps range from 80° to 92°. Breezy wind, shifting from SSE to SE at 12.6 mph, with humidity ranging 52% to 84%, and an avg barometric pressure of 29.92 inHg.
| Tue, Sep 1st | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM ClearUV: 0 |
83°F Feels 90°F |
76% | 13.2 SSE | 29.94 | 74.6°F | 7% |
1 AM ClearUV: 0 |
83°F Feels 91°F |
77% | 12.5 SSE | 29.94 | 75.2°F | 8% |
2 AM ClearUV: 0 |
83°F Feels 90°F |
79% | 11.6 SSE | 29.93 | 75.6°F | 9% |
3 AM Scattered ShowersUV: 0 |
82°F Feels 90°F |
82% | 10.5 S | 29.92 | 76.1°F | 21% |
4 AM Scattered ShowersUV: 0 |
82°F Feels 89°F |
82% | 9.6 S | 29.91 | 75.8°F | 19% |
5 AM ClearUV: 0 |
82°F Feels 88°F |
80% | 8.3 S | 29.91 | 74.9°F | 9% |
6 AM ClearUV: 0 |
81°F Feels 87°F |
82% | 7.2 S | 29.9 | 75.1°F | 10% |
7 AM ClearUV: 0 |
80°F Feels 86°F |
84% | 6.5 S | 29.91 | 75.3°F | 11% |
8 AM SunnyUV: 0.3 |
82°F Feels 88°F |
82% | 6.5 S | 29.93 | 75.4°F | 9% |
9 AM SunnyUV: 1.3 |
85°F Feels 92°F |
69% | 11.2 S | 29.95 | 73.7°F | 5% |
10 AM SunnyUV: 3.5 |
88°F Feels 95°F |
60% | 12.8 SSE | 29.96 | 71.9°F | 3% |
11 AM SunnyUV: 6.3 |
89°F Feels 96°F |
56% | 13.2 SSE | 29.96 | 71.4°F | 2% |
12 PM SunnyUV: 9 |
91°F Feels 98°F |
53% | 14.1 SSE | 29.96 | 71.4°F | 2% |
1 PM SunnyUV: 10.7 |
91°F Feels 99°F |
52% | 15.9 SSE | 29.94 | 71.5°F | 2% |
2 PM SunnyUV: 10.7 |
92°F Feels 99°F |
52% | 15.7 SE | 29.92 | 71.6°F | 2% |
3 PM SunnyUV: 9 |
92°F Feels 99°F |
53% | 16.1 SE | 29.9 | 72.2°F | 2% |
4 PM SunnyUV: 6.3 |
90°F Feels 99°F |
56% | 16.3 SE | 29.89 | 72.7°F | 3% |
5 PM SunnyUV: 3.4 |
89°F Feels 98°F |
59% | 16.1 SE | 29.88 | 73.2°F | 3% |
6 PM SunnyUV: 1.3 |
88°F Feels 96°F |
63% | 15.9 SE | 29.88 | 73.6°F | 4% |
7 PM SunnyUV: 0.3 |
86°F Feels 95°F |
68% | 15.4 SE | 29.89 | 74.4°F | 5% |
8 PM ClearUV: 0 |
84°F Feels 93°F |
74% | 13.9 SE | 29.89 | 75.3°F | 7% |
9 PM ClearUV: 0 |
84°F Feels 93°F |
77% | 13.4 SE | 29.91 | 75.8°F | 8% |
10 PM ClearUV: 0 |
84°F Feels 93°F |
78% | 13.2 SE | 29.94 | 76.2°F | 8% |
11 PM ClearUV: 0 |
84°F Feels 93°F |
78% | 14.1 SE | 29.95 | 76.2°F | 8% |
Wed, Sep 2nd 2026
Clear conditions expected later. Temps around 83°. Breezy wind from the SE at 13.6 mph, while humidity around 79%, and an avg barometric pressure of 29.94 inHg.
| Wed, Sep 2nd | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM ClearUV: 0 |
83°F Feels 92°F |
79% | 14.1 SE | 29.94 | 76.1°F | 8% |
1 AM ClearUV: 0 |
83°F Feels 92°F |
79% | 13 SSE | 29.94 | 76.1°F | 8% |
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|
82°F |
29.94 inHg.
Barometer 86%
Humidity SSE 14.1mph Wind |
| Clear | ||
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