Grand County Weather Forecast
Grand County weather: 84°F, partly cloudy. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
14-day forecast for Grand County
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sun, Aug 23 | ☁️ Overcast | 98° / 68° | 15% | 21 mph | 8 |
| Mon, Aug 24 | ☁️ Overcast | 97° / 72° | 10% | 24 mph | 8 |
| Tue, Aug 25 | 🌦️ Light drizzle | 98° / 69° | 4% · 0,0 in | 8 mph | 8 |
| Wed, Aug 26 | 🌦️ Light showers | 100° / 75° | 5% · 0,1 in | 12 mph | 8 |
| Thu, Aug 27 | 🌦️ Light drizzle | 100° / 76° | 5% · 0,0 in | 24 mph | 8 |
| Fri, Aug 28 | ☁️ Overcast | 100° / 77° | 3% | 16 mph | 8 |
| Sat, Aug 29 | 🌦️ Light drizzle | 96° / 74° | 15% · 0,0 in | 8 mph | 8 |
| Sun, Aug 30 | 🌦️ Light drizzle | 101° / 77° | 16% · 0,0 in | 17 mph | 8 |
| Mon, Aug 31 | 🌦️ Drizzle | 89° / 76° | 14% · 0,1 in | 21 mph | 7 |
| Tue, Sep 1 | ☁️ Overcast | 91° / 69° | 15% | 9 mph | 8 |
| Wed, Sep 2 | 🌤️ Mainly clear | 97° / 74° | 8% | 6 mph | 8 |
| Thu, Sep 3 | ⛅ Partly cloudy | 100° / 77° | 13% | 8 mph | 8 |
| Fri, Sep 4 | ☀️ Clear sky | 102° / 77° | 29% | 7 mph | 8 |
| Sat, Sep 5 | ☁️ Overcast | 100° / 79° | 36% | 18 mph | 6 |
The two-week trend
Cooling. The second half of the window averages 35°F cooler than the days immediately ahead.
The window averages 97°F against a August normal of 95°F - right on average.
Rainfall over the next 7 days is close to normal for August (0,1 in against a typical 0,1 in).
What this means for Grand County
Today is slightly warmer than average for August. The forecast high of 98°F is 3.1°F above the 95°F typical for this month.
A 15% chance means most of the area stays dry; a passing shower is possible but short.
Gusts to 32 mph will push high-sided vehicles on exposed roads and bridges.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 85°F.
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.
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 32 mph.
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
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 84°F (29°C) with partly cloudy. Humidity is 31% and wind is 10 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 2:07 PM.
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 24, 2026 at 2:07 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
