San Juan County Vejr Prognose
San Juan County weather: 18°C, klar himmel. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.
Resumé
San Juan County is a county in Utah. San Juan County is a county in the United States. Der bor omkring 14.500.
Lige nu er det 18°C (65°F) in San Juan County med klar himmel. Det føles som 17°C. I dag ligger temperaturen mellem 10°C og 20°C. Sandsynligheden for nedbør er 31%. Sightseeing conditions score 8.7/10 - fremragende — tag af sted nu.
Det bedste tidspunkt at besøge San Juan County is maj, juni, juli, august and september. Klimaet er continental. januar, februar and december tend og be the least comfortable months. juli is the warmest month med average highs near 29°C, while januar is the coldest med lows near -7°C.
The closest major airport is Salt Lake City International Airport (SLC), about 399 km away. Nearby highlights include manument Valley, Canyonlands National Park, Dead Horse Point State Park and Arches National Park.
Kort sagt. Today is slightly cooler than average for september. The forecast high of 20°C is 1.7°C below the 22°C typical for this month. The best window og be outside is roughly 12 PM og 3 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in San Juan County today at 9/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Active alerts for San Juan County
Flood Watch issued september 15 at 12:00PM MDT until september 17 at 6:00AM MDT by NWS Grand junction CO
Issued by NWS Grand junction CO
Vejret i San Juan County lige nu
Open-Meteo Updated 6:54 PM, sep 15 local time.
Se prognosen for San Juan County efter tidsinterval
Næste 24 timer
Temperatur, nedbørssandsynlighed og vind time for time.
16-day forecast for San Juan County
Maks. / Min.; Nedbør; UV
| Dag | Forhold | Maks. / Min. | Nedbør | Vind | UV |
|---|---|---|---|---|---|
| tir, sep 15 | 🌦️ Støvregn | 20° / 10° | 31% · 1 mm | 21 km/h | 7 |
| ons, sep 16 | 🌦️ Let regn | 17° / 12° | 46% · 6 mm | 20 km/h | 5 |
| tor, sep 17 | 🌦️ Let regn | 17° / 11° | 88% · 6 mm | 10 km/h | 4 |
| fre, sep 18 | 🌦️ Light drizzle | 21° / 10° | 43% · 1 mm | 18 km/h | 7 |
| lør, sep 19 | 🌦️ Light drizzle | 21° / 12° | 28% · 0 mm | 24 km/h | 7 |
| søn, sep 20 | ☁️ Overskyet | 21° / 11° | 5% | 19 km/h | 7 |
| man, sep 21 | 🌦️ Light drizzle | 21° / 10° | 13% · 1 mm | 17 km/h | 7 |
| tir, sep 22 | ☁️ Overskyet | 19° / 8° | 25% | 14 km/h | 7 |
| ons, sep 23 | ☁️ Overskyet | 21° / 11° | 31% | 17 km/h | 7 |
| tor, sep 24 | 🌦️ Light drizzle | 19° / 11° | 20% · 0 mm | 25 km/h | 6 |
| fre, sep 25 | 🌦️ Støvregn | 20° / 9° | 17% · 4 mm | 21 km/h | 7 |
| lør, sep 26 | ⛈️ Tordenvejr | 17° / 11° | 29% · 20 mm | 21 km/h | 4 |
| søn, sep 27 | ☀️ Klar himmel | 23° / 11° | 25% | 46 km/h | 7 |
| man, sep 28 | ☀️ Klar himmel | 17° / 4° | 26% | 32 km/h | 7 |
| tir, sep 29 | ☁️ Overskyet | 18° / 8° | 16% | 14 km/h | 7 |
| ons, sep 30 | ☁️ Overskyet | 22° / 10° | 23% | 10 km/h | 7 |
Klima in San Juan County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 2° | -7° | 25 mm | ★★☆☆☆ |
| februar | 5° | -5° | 37 mm | ★★☆☆☆ |
| marts | 10° | -1° | 24 mm | ★★★☆☆ |
| april | 14° | 1° | 32 mm | ★★★★☆ |
| maj | 19° | 6° | 30 mm | ★★★★☆ |
| juni | 27° | 14° | 36 mm | ★★★★★ |
| juli | 29° | 16° | 39 mm | ★★★★★ |
| august | 27° | 15° | 59 mm | ★★★★☆ |
| september | 22° | 10° | 42 mm | ★★★★☆ |
| oktober | 16° | 5° | 105 mm | ★★★☆☆ |
| november | 7° | -2° | 20 mm | ★★★☆☆ |
| december | 5° | -4° | 15 mm | ★★★☆☆ |
Klima type: Kontinental. Kilde: Open-Meteo archive (ERA5).
Vejr map for San Juan County
Animated model layers. Pick a layer og load it.
Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Luftkvalitet and pollen in San Juan County
Luftkvalitet: Open-Meteo (CAMS). US AQI scale.
søn, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Bedste rejsetid San Juan County
Go in maj, juni, juli, august and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, februar and december - expect the least comfortable mix of heat, cold or rain.
Explore San Juan County
Every topic we hold for this place, and the same topic for the places around it.
Vejr for related places
Frequently asked questions
Where is San Juan County?
San Juan County is a county in Utah. Its coordinates are 37.625, -109.8. It lies in Nordamerika.
What is the weather like in San Juan County lige nu?
It is currently 18°C (65°F) med klar himmel. Luftfugtighed is 67% and wind is 16 km/h.
When is the best time og visit San Juan County?
maj, juni, juli, august and september offer the most comfortable conditions in San Juan County, which has a continental climate. januar, februar and december are usually the hardest months for outdoor plans.
What time zone is San Juan County in?
San Juan County observes America/Denver (UTC-06:00). The local time is 6:54 PM.
How many people live in San Juan County?
San Juan County has a population of approximately 14.500.
What is the nearest airport og San Juan County?
The closest airports are Salt Lake City International Airport (SLC), 399 km away.
What are the top things og do in San Juan County?
Popular options include manument Valley, Canyonlands National Park, Dead Horse Point State Park, Arches National Park, Mesa Verde National Park and Mesa Verde (UNESCO World Heritage Site).
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Prognose and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Vejr 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 september 15, 2026 at 6:54 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
