Grand County Weather Forecast
Grand County weather: 72°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Risk assessment for Grand County
Derived from the current forecast window - not an official warning.
11 dry days, 16 days above 90°F and humidity at 30%. Hot, dry and windy together is what drives fire spread.
Clear air overhead right now. Aerosol readings cannot separate wildfire smoke from dust, so treat this as a haze signal, not a fire confirmation.
Air quality and pollen in Grand County
Air quality: Open-Meteo (CAMS). US AQI scale.
Health and safety today
| Skin and UV | No protection needed for most skin types. |
|---|---|
| General | Conditions are comfortable for most people, including children and older adults, with normal clothing. |
Active alerts for Grand County
Derived from the forecast. No official alert feed is wired for this country yet.
See the Grand County forecast by time range
Grand County weather - more answers
Explore Grand 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 Grand County?
Grand County is a county in Utah. Its coordinates are 38.5733, -109.5498. It lies in North America.
What is the weather like in Grand County right now?
It is currently 72°F (22°C) with clear. Humidity is 30% and wind is 5 mph.
When is the best time to visit Grand County?
April, May, June, July, August and September offer the most comfortable conditions in Grand County, which has a semi-arid climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Grand County in?
Grand County observes America/Denver (UTC-06:00). The local time is 8:31 AM.
How many people live in Grand County?
Grand County has a population of approximately 9.600.
What is the nearest airport to Grand County?
The closest airports are Salt Lake City International Airport (SLC), 200 mi away and Denver International Airport (DEN), 276 mi away.
What are the top things to do in Grand County?
Popular options include Arches National Park, Dead Horse Point State Park, Canyonlands National Park, Goblin Valley State Park, Capitol Reef National Park and Black Canyon of the Gunnison 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 21, 2026 at 8:31 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
