Islay, WY Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Islay, WY in one place.
Partly sunny. High near 52, with temperatures falling to around 46 in the afternoon. West northwest wind 5 to 10 mph.
Local Weather Overview
This forecast page for Islay, 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 6:34 PM MST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Islay, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 6:34 PM MST
- Forecast office
- CYS
- Source
- NOAA / NWS
Daily Outlook
This Week in Islay
Sunday looks like the warmest upcoming period in Islay at 63 degrees F.
Friday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Sunday at about 10 to 20 mph WSW.
The forecast from Nov 6 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 6:34 PM MST
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- CYS
- Radar station
- KCYS
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 31. West wind 5 to 15 mph.
Sunny, with a high near 55. West northwest wind 5 to 15 mph.
Mostly clear, with a low around 33.
Sunny, with a high near 63.
Mostly clear, with a low around 41.
Sunny, with a high near 62.
Partly cloudy, with a low around 38.
Mostly sunny, with a high near 60.
Mostly clear, with a low around 38.
Sunny, with a high near 57.
Mostly clear, with a low around 39.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Partly Sunny
|
52°F |
5 to 10 mph
WNW
|
|
Friday Night
Nov 6
|
Mostly Clear
|
31°F |
5 to 15 mph
W
|
|
Saturday
Nov 7
|
Sunny
|
55°F |
5 to 15 mph
WNW
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
33°F |
5 to 10 mph
W
|
|
Sunday
Nov 8
|
Sunny
|
63°F |
10 to 20 mph
WSW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
41°F |
15 to 20 mph
W
|
|
Monday
Nov 9
|
Sunny
|
62°F |
5 to 15 mph
W
|
|
Monday Night
Nov 9
|
Partly Cloudy
|
38°F |
5 to 10 mph
WSW
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
60°F |
10 to 20 mph
WNW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
38°F |
10 to 15 mph
WNW
|
|
Veterans Day
Nov 11
|
Sunny
|
57°F |
5 to 15 mph
W
|
|
Wednesday Night
Nov 11
|
Mostly Clear
|
39°F |
5 to 15 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Islay.