5-day weather forecast Las Vegas 18-08-2026
Weather forecast Las Vegas Tuesday, August 18 18.08.2026: sunny, temperature from 30 °C to 42 °C.
Precipitation probability 1%. Wind up to 9.81 m/s (gusts 11.28 m/s). Air humidity 13–25%, atmospheric pressure 754–758 mm Hg, UV index up to 10.
5 days at a glance — tap a day to open it
Sunrise 06:01
Sunset 19:27
Sunset 19:27
First Quarter37% illuminated
Moonrise 12:35 · Moonset 22:39
Moonrise 12:35 · Moonset 22:39
Chart
Table
Tue, Aug 18, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 33 °C | 0% | 4% | 20% | 758 mm Hg | SSW 213° 2.19 (4.61) m/s | 0 |
| 01:00 | Clear | 32 °C | 0% | 3% | 21% | 758 mm Hg | SSW 195° 2.5 (5.25) m/s | 0 |
| 02:00 | Clear | 32 °C | 0% | 1% | 22% | 758 mm Hg | WSW 240° 1.89 (4) m/s | 0 |
| 03:00 | Clear | 31 °C | 0% | 3% | 24% | 757 mm Hg | S 188° 2.11 (4.42) m/s | 0 |
| 04:00 | Clear | 30 °C | 0% | 3% | 24% | 757 mm Hg | S 185° 1.69 (3.58) m/s | 0 |
| 05:00 | Clear | 30 °C | 1% | 4% | 25% | 758 mm Hg | SW 236° 1 (2.11) m/s | 0 |
| 06:00 | Clear | 31 °C | 0% | 2% | 23% | 758 mm Hg | SSW 207° 1 (1.81) m/s | 0 |
| 07:00 |  Sunny | 33 °C | 0% | 1% | 22% | 758 mm Hg | S 179° 1 (1.5) m/s | 8 |
| 08:00 | Sunny | 34 °C | 0% | 0% | 21% | 758 mm Hg | SSE 150° 1 (1.14) m/s | 8 |
| 09:00 | Sunny | 36 °C | 0% | 1% | 19% | 758 mm Hg | SSE 166° 2.19 (2.61) m/s | 9 |
| 10:00 | Sunny | 38 °C | 0% | 1% | 17% | 758 mm Hg | S 181° 3.5 (4) m/s | 9 |
| 11:00 | Sunny | 40 °C | 0% | 2% | 15% | 758 mm Hg | SSW 196° 4.69 (5.42) m/s | 9 |
| 12:00 | Sunny | 40 °C | 0% | 1% | 14% | 757 mm Hg | SSW 203° 6.39 (7.39) m/s | 10 |
| 13:00 | Sunny | 41 °C | 0% | 1% | 14% | 756 mm Hg | SSW 210° 8.11 (9.31) m/s | 10 |
| 14:00 | Sunny | 42 °C | 0% | 0% | 13% | 755 mm Hg | SW 217° 9.81 (11.28) m/s | 10 |
| 15:00 | Sunny | 41 °C | 0% | 0% | 13% | 755 mm Hg | SW 219° 9.69 (11.19) m/s | 10 |
| 16:00 | Sunny | 41 °C | 0% | 1% | 13% | 755 mm Hg | SW 221° 9.69 (11.11) m/s | 10 |
| 17:00 | Sunny | 41 °C | 0% | 2% | 13% | 754 mm Hg | SW 223° 9.61 (11.03) m/s | 10 |
| 18:00 | Sunny | 40 °C | 0% | 1% | 14% | 754 mm Hg | SW 229° 8.31 (10.5) m/s | 9 |
| 19:00 | Sunny | 39 °C | 0% | 0% | 16% | 754 mm Hg | SW 235° 7.11 (10) m/s | 9 |
| 20:00 | Clear | 37 °C | 0% | 0% | 17% | 754 mm Hg | WSW 241° 5.81 (9.5) m/s | 0 |
| 21:00 | Clear | 36 °C | 0% | 0% | 18% | 755 mm Hg | WSW 238° 5.19 (9.11) m/s | 0 |
| 22:00 | Clear | 35 °C | 0% | 0% | 18% | 755 mm Hg | SW 235° 4.61 (8.81) m/s | 0 |
| 23:00 | Clear | 34 °C | 0% | 0% | 19% | 755 mm Hg | SW 232° 4 (8.39) m/s | 0 |
Tue, Aug 18, 2026
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Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.