Mcallen, TX Hourly Weather Forecast
Next 48 Hours
Thu, Sep 10th 2026
Sunny skies early, becoming Clear conditions later. Extreme heat expected, up to 103°. Windy conditions from the SSE at 14.8 mph, while humidity ranges from 26% to 70%, and an avg barometric pressure of 29.86 inHg.
| Thu, Sep 10th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
10 AM Sunny UV: 2.9 |
87°F Feels 98°F |
69% | 11.2 SSE | 29.96 | 75.7°F | 5% |
11 AM SunnyUV: 5.6 |
96°F Feels 110°F |
61% | 11.9 SSE | 29.96 | 79.8°F | 4% |
12 PM Cloudy UV: 8.2 |
96°F Feels 95°F |
38% | 11.4 SSE | 29.94 | 66.2°F | 5% |
1 PM Overcast UV: 9.9 |
98°F Feels 98°F |
33% | 10.3 SSE | 29.91 | 64.7°F | 9% |
2 PM SunnyUV: 9.6 |
101°F Feels 100°F |
30% | 10.1 SSE | 29.87 | 63.5°F | 1% |
3 PM SunnyUV: 8.3 |
102°F Feels 101°F |
28% | 9.8 SE | 29.83 | 62.6°F | 1% |
4 PM SunnyUV: 5.9 |
103°F Feels 102°F |
26% | 9.8 SE | 29.8 | 62°F | 1% |
5 PM Partly Cloudy UV: 3.1 |
103°F Feels 101°F |
26% | 12.1 SE | 29.77 | 62.1°F | 3% |
6 PM Scattered Thunderstorms UV: 1.1 |
101°F Feels 95°F |
32% | 19.7 SE | 29.77 | 64.9°F | 3% |
7 PM SunnyUV: 0.2 |
96°F Feels 90°F |
39% | 21.7 SE | 29.79 | 66.9°F | 2% |
8 PM Clear UV: 0 |
91°F Feels 94°F |
46% | 20.8 SE | 29.81 | 67.2°F | 1% |
9 PM ClearUV: 0 |
87°F Feels 92°F |
57% | 20.4 SE | 29.84 | 69.9°F | 3% |
10 PM ClearUV: 0 |
85°F Feels 92°F |
67% | 19.5 SSE | 29.87 | 72.7°F | 5% |
11 PM Scattered Thunderstorms UV: 0 |
84°F Feels 91°F |
70% | 18.3 SSE | 29.88 | 73.6°F | 11% |
Fri, Sep 11th 2026
Sunny skies in the morning, with Clear conditions expected by night. Extreme heat expected, up to 102°. Windy conditions from the SSE at 16.7 mph, as humidity ranges 28% to 80%, and an avg barometric pressure of 29.83 inHg.
| Fri, Sep 11th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Scattered ThunderstormsUV: 0 |
84°F Feels 91°F |
70% | 17.2 SSE | 29.88 | 73.3°F | 11% |
1 AM ClearUV: 0 |
83°F Feels 90°F |
72% | 15.4 SSE | 29.88 | 73.4°F | 6% |
2 AM ClearUV: 0 |
83°F Feels 89°F |
72% | 14.1 SSE | 29.88 | 73.3°F | 6% |
3 AM ClearUV: 0 |
83°F Feels 88°F |
73% | 13.9 SSE | 29.87 | 73.1°F | 8% |
4 AM Partly Cloudy UV: 0 |
82°F Feels 88°F |
75% | 13.2 SSE | 29.86 | 73.2°F | 9% |
5 AM ClearUV: 0 |
82°F Feels 87°F |
76% | 13 SSE | 29.85 | 73.1°F | 8% |
6 AM ClearUV: 0 |
81°F Feels 86°F |
77% | 12.1 SSE | 29.85 | 73°F | 8% |
7 AM ClearUV: 0 |
80°F Feels 85°F |
80% | 12.1 SSE | 29.86 | 73.4°F | 9% |
8 AM SunnyUV: 0.2 |
81°F Feels 86°F |
79% | 12.8 SSE | 29.86 | 73.5°F | 9% |
9 AM SunnyUV: 1.1 |
84°F Feels 90°F |
69% | 16.1 SSE | 29.87 | 72.6°F | 5% |
10 AM SunnyUV: 3 |
88°F Feels 93°F |
55% | 16.8 SSE | 29.87 | 70.1°F | 3% |
11 AM Partly CloudyUV: 5.8 |
92°F Feels 96°F |
45% | 16.6 SSE | 29.87 | 67.7°F | 4% |
12 PM SunnyUV: 8.6 |
96°F Feels 93°F |
37% | 16.3 SSE | 29.86 | 65.7°F | 1% |
1 PM SunnyUV: 10.2 |
99°F Feels 95°F |
32% | 16.6 SSE | 29.82 | 63.8°F | 1% |
2 PM SunnyUV: 10.2 |
101°F Feels 96°F |
29% | 16.8 SSE | 29.79 | 63.2°F | 0% |
3 PM SunnyUV: 8.7 |
102°F Feels 97°F |
28% | 17.9 SSE | 29.75 | 63.5°F | 0% |
4 PM SunnyUV: 6 |
102°F Feels 96°F |
29% | 19.9 SE | 29.73 | 64°F | 0% |
5 PM SunnyUV: 3.2 |
100°F Feels 93°F |
33% | 21.9 SE | 29.72 | 65.2°F | 1% |
6 PM SunnyUV: 1.2 |
96°F Feels 90°F |
37% | 21.5 SE | 29.74 | 65.8°F | 1% |
7 PM SunnyUV: 0.2 |
92°F Feels 96°F |
46% | 21.3 SE | 29.76 | 67.9°F | 1% |
8 PM ClearUV: 0 |
88°F Feels 93°F |
56% | 19 SE | 29.78 | 70.2°F | 3% |
9 PM Partly CloudyUV: 0 |
85°F Feels 90°F |
62% | 19 SE | 29.8 | 70.7°F | 6% |
10 PM ClearUV: 0 |
84°F Feels 90°F |
68% | 18.6 SE | 29.82 | 72.3°F | 5% |
11 PM Partly CloudyUV: 0 |
83°F Feels 90°F |
73% | 17.9 SE | 29.84 | 73.9°F | 9% |
Sat, Sep 12th 2026
A full day of Overcast conditions is expected. Temps range from 82° to 86°. Windy conditions from the SSE at 15.4 mph, as humidity ranges 70% to 79%, and an avg barometric pressure of 29.82 inHg.
| Sat, Sep 12th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Cloudy UV: 0 |
83°F Feels 91°F |
75% | 17.2 SSE | 29.84 | 74.7°F | 18% |
1 AM Overcast UV: 0 |
83°F Feels 91°F |
77% | 16.8 SSE | 29.84 | 75°F | 21% |
2 AM OvercastUV: 0 |
83°F Feels 90°F |
77% | 16.8 SSE | 29.82 | 75.1°F | 22% |
3 AM OvercastUV: 0 |
83°F Feels 90°F |
78% | 16.3 SSE | 29.81 | 75°F | 22% |
4 AM CloudyUV: 0 |
83°F Feels 90°F |
79% | 14.8 SSE | 29.8 | 75.2°F | 20% |
5 AM OvercastUV: 0 |
82°F Feels 89°F |
79% | 13.2 SSE | 29.79 | 74.9°F | 22% |
6 AM OvercastUV: 0 |
82°F Feels 89°F |
79% | 13 SSE | 29.8 | 74.9°F | 22% |
7 AM OvercastUV: 0 |
82°F Feels 89°F |
79% | 13.4 SSE | 29.81 | 74.9°F | 21% |
8 AM SunnyUV: 0.2 |
83°F Feels 90°F |
78% | 14.5 SSE | 29.82 | 75.3°F | 9% |
9 AM SunnyUV: 1 |
86°F Feels 94°F |
70% | 18.1 SSE | 29.83 | 74.6°F | 6% |
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84°F |
29.97 inHg.
Barometer 80%
Humidity SSE 11.9mph Wind |
| Sunny | ||
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