Clark County Weather Forecast
Clark County weather: 100°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Tomorrow in Clark County - Sunday, August 23
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
Active alerts for Clark County
Extreme Heat Warning issued August 23 at 1:44AM PDT until August 23 at 8:00PM PDT by NWS Las Vegas NV
Issued by NWS Las Vegas NV
Is today a good day to visit?
Activity scores from 0 to 10 based on temperature, rain, wind, sun and visibility.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- Avoid long hikes after mid-morning; start at dawn or leave it for a cooler day.
- If your dates are flexible, avoid January, July and August - historically the least comfortable months here.
See the Clark County forecast by time range
Clark County weather - more answers
Explore Clark County
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Clark County?
Clark County is a county in Nevada. Its coordinates are 36.1699, -115.1398. It lies in North America.
What is the weather like in Clark County right now?
It is currently 100°F (38°C) with clear. Humidity is 13% and wind is 8 mph.
When is the best time to visit Clark County?
March, April, May and October offer the most comfortable conditions in Clark County, which has a semi-arid climate. January, July and August are usually the hardest months for outdoor plans.
What time zone is Clark County in?
Clark County observes America/Los_Angeles (UTC-07:00). The local time is 3:25 AM.
How many people live in Clark County?
Clark County has a population of approximately 2.3 million.
What is the nearest airport to Clark County?
The closest airports are Harry Reid International Airport (LAS), 6 mi away, Los Angeles International Airport (LAX), 241 mi away and Phoenix Sky Harbor International Airport (PHX), 259 mi away.
What are the top things to do in Clark County?
Popular options include Las Vegas Strip, Valley of Fire State Park, Lake Mead, Death Valley National Park, Havasu Falls and Zion National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 23, 2026 at 3:25 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
