Las Vegas, Nevada Weather
Las Vegas weather this week
Over the next 7 days in Las Vegas, daytime highs range from 15°C to 20°C and night-time lows from 10°C to 13°C. The warmest afternoon is likely today at 20°C, while the coolest night is expected tonight at 10°C. Temperatures stay fairly steady through the week.
Rain is most likely Tuesday and Thursday, with roughly 4.3 mm forecast in total over the week.
It turns breezy on Tuesday, with winds reaching about 39 km/h — secure loose objects on rooftops and balconies. UV levels stay moderate or lower, peaking at 4. Average humidity is a comfortable 43% or so.
| Day | Conditions | High / Low | Rain chance | Rain | Max wind |
|---|---|---|---|---|---|
| Today (Sunday) | Overcast | 20° / 10° | 1% | 0.0 mm | 11 km/h |
| Tomorrow (Monday) | Slight rain | 19° / 10° | 40% | 1.9 mm | 19 km/h |
| Tuesday | Drizzle | 17° / 13° | 51% | 2.4 mm | 39 km/h |
| Wednesday | Overcast | 15° / 11° | 6% | 0.0 mm | 13 km/h |
| Thursday | Overcast | 19° / 13° | 51% | 0.0 mm | 28 km/h |
| Friday | Overcast | 16° / 11° | 33% | 0.0 mm | 20 km/h |
| Saturday | Overcast | 16° / 12° | 1% | 0.0 mm | 6 km/h |
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Today's outlook for Las Vegas
At 00:00 local time it is 11°C in Las Vegas under clear skies, feeling like 8°C. Today's forecast high is 20°C and the low is 10°C, and the day overall looks overcast. Rain is unlikely today (1% chance). Winds are blowing at about 9 km/h from the north. Humidity is 51%.
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Climate of Las Vegas: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Las Vegas, with average daytime highs around 41°C. December is the coolest, when nights typically fall to about 1°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 40°C, so the seasons feel very different from each other.
The area receives about 150 mm of rain in a typical year. Rainfall is modest in every month; February is the wettest at about 23 mm. The driest stretch is March to January, with under 20 mm a month.
For outdoor plans and travel, March to April and October to November usually offer the most comfortable weather in Las Vegas, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 14° | 1° | 18 mm | 46% |
| Feb | 16° | 3° | 23 mm | 43% |
| Mar | 22° | 7° | 12 mm | 37% |
| Apr | 26° | 11° | 8 mm | 29% |
| May | 32° | 16° | 3 mm | 22% |
| Jun | 39° | 22° | 1 mm | 14% |
| Jul | 41° | 26° | 15 mm | 22% |
| Aug | 40° | 25° | 15 mm | 24% |
| Sep | 35° | 21° | 9 mm | 23% |
| Oct | 27° | 13° | 13 mm | 28% |
| Nov | 20° | 6° | 12 mm | 35% |
| Dec | 13° | 1° | 18 mm | 46% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Las Vegas. Values describe typical conditions, not a forecast.
About Las Vegas weather
Las Vegas is one of many towns in Nevada's arid, high-desert climate, one of the driest states in the US, about 555 km south-east of Reno. Before the rains arrive, there's hot, dry summers (June–August), especially in the south around Las Vegas. Cooler months mean cold nights and mild days, colder in the northern high desert. This page shows live, auto-refreshing weather for Las Vegas: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Los_Angeles.
Frequently asked questions
Las Vegas is about 555 km south-east of Reno, in Nevada.
Las Vegas sees cold nights and mild days, colder in the northern high desert.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Las Vegas's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Las Vegas, with average daytime highs of about 41°C and nights around 26°C. Afternoons above 40°C are common then, so heatwave precautions matter.
The coldest nights come in December, when the average low is about 1°C and daytime highs reach around 13°C. Frost is possible on clear, calm nights.
Las Vegas receives about 150 mm of rain in a typical year. February is the wettest month at roughly 23 mm; no month averages more than 100 mm.
March to April and October to November usually offer the most comfortable weather in Las Vegas, with mild daytime temperatures and little rain.
In November Las Vegas typically sees daytime highs near 20°C and lows near 6°C, with about 12 mm of rain over the month and average humidity around 35%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Las Vegas is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Las Vegas's day-to-day weather follows the broader pattern of Nevada described above. See the hourly weather forecast or the air quality index for more detail.