Fossil, WY Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Fossil, WY in one place.
Sunny, with a high near 48. West wind 0 to 6 mph.
Local Weather Overview
This forecast page for Fossil, WY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 5, 2026 6:33 PM MST.
The active forecast window currently covers Nov 7 to Nov 11, 2026 for Fossil, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 7 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 6:33 PM MST
- Forecast office
- RIW
- Source
- NOAA / NWS
Daily Outlook
This Week in Fossil
Sunday looks like the warmest upcoming period in Fossil at 53 degrees F.
Saturday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Sunday at about 2 to 7 mph W.
The forecast from Nov 7 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 6:33 PM MST
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- RIW
- Radar station
- KMTX
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 28. West northwest wind around 2 mph.
Sunny, with a high near 53. West wind 2 to 7 mph.
Partly cloudy, with a low around 30.
Mostly sunny, with a high near 53.
Partly cloudy, with a low around 31.
Mostly sunny, with a high near 53.
Partly cloudy, with a low around 31.
Sunny, with a high near 52.
Partly cloudy, with a low around 32.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Nov 7
|
Sunny
|
48°F |
0 to 6 mph
W
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
28°F |
2 mph
WNW
|
|
Sunday
Nov 8
|
Sunny
|
53°F |
2 to 7 mph
W
|
|
Sunday Night
Nov 8
|
Partly Cloudy
|
30°F |
3 mph
W
|
|
Monday
Nov 9
|
Mostly Sunny
|
53°F |
3 mph
W
|
|
Monday Night
Nov 9
|
Partly Cloudy
|
31°F |
3 mph
W
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
53°F |
6 mph
W
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
31°F |
5 mph
W
|
|
Veterans Day
Nov 11
|
Sunny
|
52°F |
3 mph
WSW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
32°F |
3 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fossil.