Las Vegas weather live forecast

Today's maximum temperature in Las Vegas is expected to be 40°C. Select a day from the live weather forecast for Las Vegas, Nevada, USA for more weather parameters.

Tuesday
18th Aug
40

29

12

10
Wednesday
19th Aug
41

28

12

10
Thursday
20th Aug
40

29

11

10
Friday
21st Aug
38

30

8

9
Saturday
22nd Aug
39

28

8

10

5-day weather forecast updated at 04:00 on Tuesday 18th August 2026 GMT

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The 5-day weather forecast for Nevada (Las Vegas) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Las Vegas weather forecast by day

Below are the detailed weather forecasts for Las Vegas for the next 5 days.

Las Vegas weather for Tuesday 18th August 2026

Expect scattered clouds in Las Vegas, Nevada with a maximum temperature of 40°C, very high levels of heat & humidity, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-west.

40
°C maximum temperature
29
°C minimum temperature
scattered clouds
12
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
10
kph wind from SW

Las Vegas weather for Wednesday 19th August 2026

Expect scattered clouds in Las Vegas, Nevada with a maximum temperature of 41°C, very high levels of heat & humidity, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

41
°C maximum temperature
28
°C minimum temperature
scattered clouds
12
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
9
kph wind from S

Las Vegas weather for Thursday 20th August 2026

Expect scattered clouds in Las Vegas, Nevada with a maximum temperature of 40°C, very high levels of heat & humidity, maximum UV of 10 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.

40
°C maximum temperature
29
°C minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
10
kph wind from S

Las Vegas weather for Friday 21st August 2026

Expect scattered clouds in Las Vegas, Nevada with a maximum temperature of 38°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south.

38
°C maximum temperature
30
°C minimum temperature
scattered clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
7
kph wind from S

Las Vegas weather for Saturday 22nd August 2026

Expect scattered clouds in Las Vegas, Nevada with a maximum temperature of 39°C, very high levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.