San Juan County, UT Weather Forecast
County weather hub
Chance Rain Showers
Compare major city weather across San Juan County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 57. South wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.
County Weather Overview
This county weather page brings together forecast coverage for San Juan County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in San Juan County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 6:59 PM MDT
- Forecast office
- GJT
- Source
- NOAA / NWS
Daily Outlook
This Week in San Juan County
Saturday looks like the warmest upcoming period in San Juan County at 57 degrees F.
Monday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Sunday at about 10 to 20 mph SSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 6:59 PM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- GJT
- Radar station
- KGJX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 39.
Mostly sunny, with a high near 55.
A slight chance of rain and snow showers after midnight. Mostly cloudy, with a low around 35.
A chance of snow showers before 9am, then a chance of rain and snow showers between 9am and noon, then a slight chance of thunderstorms and a chance of rain and snow showers. Partly sunny, with a high near 47. New snow accumulation of less than half an inch possible.
A chance of rain and snow showers. Mostly cloudy, with a low around 30. New snow accumulation of less than half an inch possible.
A chance of snow showers before noon, then a chance of snow showers and a slight chance of thunderstorms. Partly sunny, with a high near 48. New snow accumulation of less than half an inch possible.
Partly cloudy, with a low around 34.
Sunny, with a high near 54.
Mostly clear, with a low around 39.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Chance Rain Showers
|
57°F |
10 to 15 mph
S
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
39°F |
10 to 15 mph
SSW
|
|
Sunday
Apr 12
|
Mostly Sunny
|
55°F |
10 to 20 mph
SSW
|
|
Sunday Night
Apr 12
|
Mostly Cloudy then Slight Chance Rain And Snow Showers
|
35°F |
10 to 20 mph
SSW
|
|
Monday
Apr 13
|
Chance Snow Showers
|
47°F |
10 to 15 mph
SW
|
|
Monday Night
Apr 13
|
Chance Rain And Snow Showers
|
30°F |
5 to 15 mph
W
|
|
Tuesday
Apr 14
|
Chance Snow Showers
|
48°F |
5 to 10 mph
WNW
|
|
Tuesday Night
Apr 14
|
Partly Cloudy
|
34°F |
5 to 10 mph
NW
|
|
Wednesday
Apr 15
|
Sunny
|
54°F |
5 to 10 mph
W
|
|
Wednesday Night
Apr 15
|
Mostly Clear
|
39°F |
5 to 10 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across San Juan County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in San Juan County.
Largest mapped city population in this region: 3,556.