October in Las Vegas offers mostly sunny, dry weather with warm to comfortable days and comfortable to cool nights.
Daytime high temperatures tend to average 86-89 F (30-31 C) early in October, falling to 75-77 F (24-25 C) by the end of this month.
About 6 days, especially early in the month, will likely reach 32 C (90 F) or more.
The record high temperature in Las Vegas during October is 39.4 C 103 F.
Late night and early morning low temperatures will start out near 63-66 F (17-19 C) but fall quickly to 53-56 F (12-13 C) near the end of this month.
A few of the cooler mornings, especially near the end of October, can dip down near 45 F (7 C).
The record low temperature in Las Vegas during October is 26 F (-3.3 C).
Sun and Rain
October in Las Vegas features about 21 sunny, 6 partly sunny, and only 4 mostly cloudy days.
The risk for a cloudy day is more likely near the end of the month.
Some rain falls on about 2 days this month, however, only 1 day will record 0.04 inches (1 mm) or more.
The number of daylight hours continues to fall rapidly this month from 11.8 hours on the 1st to about 10.7 hours by the 31st.
The wind in Las Vegas this month is mostly light to gentle, averaging 4-12 mph (6-19 kph) but occasionally can be moderate at 13-18 mph (20-28 kph).
What to Wear in Las Vegas During October?
October is the month when summer transitions to fall weather as daytime temperatures become more comfortable and nights start to be chilly.
Light summer attire such as shorts, sandals, skirts, T-shirts, sundresses, and tank tops will still come in handy early in the month but keep in mind there are specific dress codes for casinos, restaurants, bars, and nightclubs.
You will also need to pack some warmer fall attire such as long-sleeved tops, a couple of sweaters, and a light jacket for the chilly nights and cooler days near the end of the month.
Don’t forget your sunglasses, and a good pair of walking shoes.
Things to Do in Las Vegas in October
It's almost never cold in this city, and there will be plenty of sunny days to enjoy this month, so you might want to consider taking a pay-what-you-wish walking tour in Las Vegas.
The Las Vegas Pride Festival will also be taking place this month, so if you or someone you know is LGBTQIA+, this is an excellent time to celebrate!
For even more ideas, make sure to read our post covering things to do in Las Vegas in October.