5-day weather forecast Las Vegas Sep 15, 2026
28°Weather forecast Las Vegas today Sep 15, 2026: sunny, temperature from 23 °C to 32 °C.
Precipitation probability 2%. Wind up to 10.61 m/s (gusts 13.42 m/s). Air humidity 14–33%, atmospheric pressure 754–758 mm Hg, UV index up to 8.2.
5 days at a glance — tap a day to open it
Sunrise 06:23
Sunset 18:48
Sunset 18:48
Waxing Crescent23% illuminated
Moonrise 11:25 · Moonset 21:14
Moonrise 11:25 · Moonset 21:14
Chart
TableTue, Sep 15, 2026
Forecast from 23 °C to 32 °C and precipitation
Cloud cover and precipitation probability
Wind speed and direction
Air humidity
Atmospheric pressure
Ultraviolet index
Air quality & pollen
Tue, Sep 15, 2026
Frequently asked questions about the 5-day weather in Las Vegas
What will the weather be like in Las Vegas over the next 5 days?
Over the next 5 days in Las Vegas the temperature is expected to range from about 20 to 32 °C. See the detailed hourly forecast for each of the 5 days in the charts above.
On which of the next 5 days will it rain in Las Vegas?
The chance of rain in Las Vegas over the next 5 days reaches 5%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.
How accurate is the 5-day weather forecast for Las Vegas?
A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.
Which of the next 5 days in Las Vegas will be the warmest and which the coolest?
Over the next 5 days the temperature in Las Vegas ranges from about 20 to 32 °C. Compare the warmest and coolest day on the temperature chart above.
Will it be windy in Las Vegas over the next 5 days?
Over the next 5 days the wind in Las Vegas picks up to 11 m/s. The windiest days are easy to spot on the wind chart above.
Which day of the week in Las Vegas is best for a walk or a trip?
For a walk or a trip, pick the days with the lowest chance of rain (up to 5%) and light wind — easy to compare on the 5-day charts above.
How can I best use the 5-day forecast for Las Vegas?
The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.
Will I need an umbrella or sunscreen in Las Vegas this week?
Rain reaches a 5% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 8.2; sunscreen is worth it from about 3 upwards.
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.