Grand County Weather Forecast
Grand County weather: 93°F, overcast. 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.
Peak gusts of 36 mph and 0 thunderstorm days in the next 16 days.
Wettest single day forecast at 0,1 in, 0,4 in across the window. Flash flooding risk rises sharply above 50 mm in a day.
Active alerts for Grand County
Derived from the forecast. No official alert feed is wired for this country yet.
16-day forecast for Grand County
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Mon, Aug 24 | ☁️ Overcast | 97° / 71° | 22% | 19 mph | 8 |
| Tue, Aug 25 | ☁️ Overcast | 98° / 70° | 3% | 12 mph | 8 |
| Wed, Aug 26 | ☁️ Overcast | 100° / 68° | 3% | 15 mph | 8 |
| Thu, Aug 27 | 🌦️ Drizzle | 100° / 74° | 5% · 0,0 in | 27 mph | 8 |
| Fri, Aug 28 | 🌦️ Light drizzle | 97° / 77° | 4% · 0,0 in | 26 mph | 7 |
| Sat, Aug 29 | 🌦️ Light drizzle | 96° / 75° | 19% · 0,0 in | 21 mph | 7 |
| Sun, Aug 30 | 🌦️ Light drizzle | 89° / 73° | 19% · 0,1 in | 25 mph | 6 |
| Mon, Aug 31 | 🌦️ Light drizzle | 90° / 68° | 19% · 0,1 in | 19 mph | 7 |
| Tue, Sep 1 | 🌦️ Drizzle | 87° / 72° | 19% · 0,1 in | 34 mph | 8 |
| Wed, Sep 2 | ☁️ Overcast | 88° / 65° | 14% | 11 mph | 8 |
| Thu, Sep 3 | ☀️ Clear sky | 91° / 69° | 11% | 21 mph | 8 |
| Fri, Sep 4 | ⛅ Partly cloudy | 91° / 73° | 8% | 24 mph | 7 |
| Sat, Sep 5 | ⛅ Partly cloudy | 91° / 72° | 13% | 24 mph | 8 |
| Sun, Sep 6 | ☁️ Overcast | 89° / 65° | 14% | 8 mph | 7 |
| Mon, Sep 7 | ☁️ Overcast | 95° / 70° | 17% | 22 mph | 7 |
| Tue, Sep 8 | 🌦️ Light drizzle | 94° / 75° | 21% · 0,0 in | 19 mph | 7 |
What this means for Grand County
Today is about average for August. The forecast high of 97°F is in line with the 95°F typical for this month.
A 22% chance means most of the area stays dry; a passing shower is possible but short.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 85°F.
See the Grand County forecast by time range
Grand County weather - more answers
Explore Grand County
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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 93°F (34°C) with overcast. Humidity is 18% and wind is 9 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 6:06 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 6:06 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
