San Juan County, CO Weather Forecast
County weather hub
Sunny
Compare major city weather across San Juan County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 38.
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
- Apr 18 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 4:28 AM MDT
- Forecast office
- GJT
- Source
- NOAA / NWS
Daily Outlook
This Week in San Juan County
Tuesday looks like the warmest upcoming period in San Juan County at 51 degrees F.
Saturday Night is the coolest period ahead with temperatures near 14 degrees F.
The strongest winds are forecast for Saturday at about 5 to 15 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 4:28 AM MDT
- Coverage
- 4 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 14.
Sunny, with a high near 47.
Partly cloudy, with a low around 22.
A chance of snow showers and a slight chance of thunderstorms after noon. Mostly sunny, with a high near 49.
Mostly clear, with a low around 25.
A slight chance of snow showers after noon. Sunny, with a high near 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Sunny
|
38°F |
5 to 15 mph
NW
|
|
Saturday Night
Apr 18
|
Mostly Clear
|
14°F |
5 to 10 mph
E
|
|
Sunday
Apr 19
|
Sunny
|
47°F |
5 to 15 mph
SSW
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
22°F |
5 to 10 mph
SSE
|
|
Monday
Apr 20
|
Mostly Sunny then Chance Snow Showers
|
49°F |
5 to 15 mph
SSW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
25°F |
5 to 15 mph
SSE
|
|
Tuesday
Apr 21
|
Sunny then Slight Chance Snow Showers
|
51°F |
5 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.