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, with a high near 82. Southwest wind 10 to 25 mph, with gusts as high as 40 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: Jun 8, 2026 2:19 AM MDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Islay, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 2:19 AM MDT
- Forecast office
- CYS
- Source
- NOAA / NWS
Daily Outlook
This Week in Islay
Tuesday looks like the warmest upcoming period in Islay at 82 degrees F.
Saturday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Wednesday at about 25 to 35 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 2:19 AM MDT
- Coverage
- 6 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 50. West wind 15 to 25 mph, with gusts as high as 40 mph.
Sunny, with a high near 73.
Mostly clear, with a low around 44.
Sunny, with a high near 76.
Clear, with a low around 46.
Sunny, with a high near 82.
Mostly clear, with a low around 47.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
A chance of showers and thunderstorms. Partly cloudy, with a low around 43.
A chance of rain showers before noon, then a chance of showers and thunderstorms. Mostly sunny, with a high near 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Partly Sunny
|
82°F |
10 to 25 mph
SW
|
|
Tuesday Night
Jun 9
|
Mostly Clear
|
50°F |
15 to 25 mph
W
|
|
Wednesday
Jun 10
|
Sunny
|
73°F |
25 to 35 mph
W
|
|
Wednesday Night
Jun 10
|
Mostly Clear
|
44°F |
10 to 30 mph
WNW
|
|
Thursday
Jun 11
|
Sunny
|
76°F |
10 to 20 mph
WNW
|
|
Thursday Night
Jun 11
|
Clear
|
46°F |
5 to 15 mph
WSW
|
|
Friday
Jun 12
|
Sunny
|
82°F |
5 to 15 mph
W
|
|
Friday Night
Jun 12
|
Mostly Clear
|
47°F |
5 to 15 mph
WNW
|
|
Saturday
Jun 13
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
73°F |
5 to 15 mph
NNE
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
43°F |
5 to 15 mph
E
|
|
Sunday
Jun 14
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
66°F |
5 to 10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Islay.