Guernsey, WY Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Guernsey, WY in one place.
A chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Mostly sunny. High near 81, with temperatures falling to around 78 in the afternoon. Southeast wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Guernsey, 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 1, 2026 10:42 PM MDT.
The active forecast window currently covers Jun 2 to Jun 8, 2026 for Guernsey, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 2 to Jun 8, 2026
- Latest sync
- Jun 1, 2026 10:42 PM MDT
- Forecast office
- CYS
- Source
- NOAA / NWS
Daily Outlook
This Week in Guernsey
Saturday looks like the warmest upcoming period in Guernsey at 93 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Saturday Night at about 5 to 20 mph SE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 10:42 PM MDT
- 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
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52. West wind 5 to 10 mph. Chance of precipitation is 30%.
Sunny, with a high near 81. Northeast wind 5 to 10 mph.
Partly cloudy, with a low around 54. Southeast wind 5 to 10 mph.
Mostly sunny, with a high near 86.
Mostly clear, with a low around 56.
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 87.
Mostly clear, with a low around 56.
Sunny, with a high near 93.
Partly cloudy, with a low around 59.
Mostly sunny, with a high near 92.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56.
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 2
|
Mostly Sunny then Chance Showers And Thunderstorms
|
81°F |
5 to 10 mph
SE
|
|
Tuesday Night
Jun 2
|
Chance Showers And Thunderstorms then Partly Cloudy
|
52°F |
5 to 10 mph
W
|
|
Wednesday
Jun 3
|
Sunny
|
81°F |
5 to 10 mph
NE
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
54°F |
5 to 10 mph
SE
|
|
Thursday
Jun 4
|
Mostly Sunny
|
86°F |
5 to 10 mph
SSE
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
56°F |
5 to 15 mph
NE
|
|
Friday
Jun 5
|
Sunny then Slight Chance Showers And Thunderstorms
|
87°F |
5 mph
NNE
|
|
Friday Night
Jun 5
|
Mostly Clear
|
56°F |
0 to 10 mph
ESE
|
|
Saturday
Jun 6
|
Sunny
|
93°F |
0 to 15 mph
SE
|
|
Saturday Night
Jun 6
|
Partly Cloudy
|
59°F |
5 to 20 mph
SE
|
|
Sunday
Jun 7
|
Mostly Sunny
|
92°F |
5 to 15 mph
SSE
|
|
Sunday Night
Jun 7
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
56°F |
5 to 20 mph
ESE
|
|
Monday
Jun 8
|
Sunny then Slight Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Guernsey.
