San Juan County, CO Weather Forecast
County weather hub
Mostly Sunny then Showers And Thunderstorms Likely
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Showers and thunderstorms likely after noon. Mostly sunny, with a high near 64. Southwest wind 0 to 5 mph. Chance of precipitation is 60%.
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 0 of 0 mapped cities in San Juan County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 3 to Jun 7, 2026
- Latest sync
- Jun 1, 2026 2:34 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 67 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Sunday at about 0 to 15 mph SSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 2:34 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
A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 34.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65.
Partly cloudy, with a low around 36.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.
Partly cloudy, with a low around 36.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.
Partly cloudy, with a low around 36.
A slight chance of rain showers after noon. Sunny, with a high near 65.
Partly cloudy, with a low around 35.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Mostly Sunny then Showers And Thunderstorms Likely
|
64°F |
0 to 5 mph
SW
|
|
Wednesday Night
Jun 3
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
34°F |
0 to 5 mph
SE
|
|
Thursday
Jun 4
|
Mostly Sunny then Chance Showers And Thunderstorms
|
65°F |
0 to 10 mph
SW
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
36°F |
0 to 5 mph
ENE
|
|
Friday
Jun 5
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
66°F |
0 to 10 mph
WSW
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
36°F |
0 to 10 mph
N
|
|
Saturday
Jun 6
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
67°F |
0 to 10 mph
WNW
|
|
Saturday Night
Jun 6
|
Partly Cloudy
|
36°F |
0 to 10 mph
SSW
|
|
Sunday
Jun 7
|
Sunny then Slight Chance Rain Showers
|
65°F |
0 to 15 mph
SSW
|
|
Sunday Night
Jun 7
|
Partly Cloudy
|
35°F |
0 to 15 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Juan County.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in San Juan County.