5-day weather forecast Las Vegas 04-09-2026

Weather forecast Las Vegas tomorrow 04.09.2026: sunny, temperature from 21 °C to 30 °C.

Precipitation probability 1%. Wind up to 8.11 m/s (gusts 8.89 m/s). Air humidity 11–34%, atmospheric pressure 754–757 mm Hg, UV index up to 8.7.

Sunrise 06:14
Sunset 19:04
Last Quarter39% illuminated
Moonrise 23:28 · Moonset 14:05
Chart
Table

Forecast from 21 °C to 30 °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)272726252524242321232627292930303030292830302828
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 (%)000000000000000000000000
Rain chance (%)000111110000000000000000

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)2.112.191.8111.111.191.612.112.893.814.8178.117.196.6966.56.315.814.694.392.611.310.61
Wind gust (m/s)2.422.422.311.921.811.812.032.613.114.365.698.038.818.818.898.428.338.117.615.535.032.921.421.42
Wind direction (°)SSW 206°SSW 197°SSW 193°SSE 159°E 79°NE 52°ENE 64°ENE 78°ESE 110°SE 128°SE 135°SSE 151°SSE 165°S 182°SSW 193°SSW 205°SSW 208°SSW 210°SSW 208°SSW 205°SW 220°SW 235°WSW 246°S 177°

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 (%)192228313133343329251915141312111112131517192122

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)754755754755755755755756757756756756755755755754754754754755755755755755

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 Index00000000.20.92.54.76.98.48.77.65.63.31.40.400000

Air quality & pollen

Air quality
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
PM2.5 (µg/m³)9.610.711.712.312.713.113.614.615.717.315.1129.37.265.14.33.93.83.94.55.36.37.3
PM10 (µg/m³)12.313.815.216.116.717.318.219.32026.12418.61411.19.37.76.45.55.25.15.76.57.58.7
Ozone (O₃) (µg/m³)65554742393837374465921121181161141141121091039484725948
NO₂ (µg/m³)1313.11312.812.31212.212.511.78.64.41.30.30.40.60.50.40.81.62.84.88.312.515.4
SO₂ (µg/m³)0.91111.11.11.21.31.41.31.21.110.80.70.60.60.60.60.50.50.50.60.6
CO (µg/m³)159152146142140141151165170157136120116116117116114114115118122130141148

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.