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.

Sunrise 06:01
Sunset 19:27
First Quarter37% illuminated
Moonrise 12:35 · Moonset 22:39
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Table
Tue, Aug 18, 2026

Forecast from 30 °C to 42 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)333232313030313334363840404142414141403937363534
Precipitation (mm/hr)000000000000000000000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)431334210112110012100000
Rain chance (%)000001000000000000000000

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)2.192.51.892.111.6911112.193.54.696.398.119.819.699.699.618.317.115.815.194.614
Wind gust (m/s)4.615.2544.423.582.111.811.51.142.6145.427.399.3111.2811.1911.1111.0310.5109.59.118.818.39
Wind direction (°)SSW 213°SSW 195°WSW 240°S 188°S 185°SW 236°SSW 207°S 179°SSE 150°SSE 166°S 181°SSW 196°SSW 203°SSW 210°SW 217°SW 219°SW 221°SW 223°SW 229°SW 235°WSW 241°WSW 238°SW 235°SW 232°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)202122242425232221191715141413131313141617181819

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)758758758757757758758758758758758758757756755755755754754754754755755755

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index000000088999101010101010990000
Tue, Aug 18, 2026

Las Vegas on the map

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.