Sinclair, WY Weather Forecast
Local 7-day forecast
Mostly Sunny then Patchy Smoke
Track current conditions, temperature changes, wind, and the full daily outlook for Sinclair, WY in one place.
Patchy smoke between noon and 5pm. Mostly sunny, with a high near 89. West southwest wind 10 to 15 mph.
Local Weather Overview
This forecast page for Sinclair, 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: Aug 10, 2026 10:31 AM MDT.
The active forecast window currently covers Aug 11 to Aug 16, 2026 for Sinclair, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 11 to Aug 16, 2026
- Latest sync
- Aug 10, 2026 10:31 AM MDT
- Forecast office
- CYS
- Source
- NOAA / NWS
Daily Outlook
This Week in Sinclair
Tuesday looks like the warmest upcoming period in Sinclair at 89 degrees F.
Friday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 15 mph WSW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 10, 2026 10:31 AM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- CYS
- Radar station
- KRIW
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Patchy smoke before 7pm. Mostly cloudy, with a low around 60. West southwest wind 5 to 15 mph.
Mostly cloudy, with a high near 83. West southwest wind 5 to 15 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
A chance of rain showers before noon, then showers and thunderstorms likely. Mostly cloudy, with a high near 77.
Showers and thunderstorms likely. Mostly cloudy, with a low around 52.
A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 76.
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.
A slight chance of rain showers before noon, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 11
|
Mostly Sunny then Patchy Smoke
|
89°F |
10 to 15 mph
WSW
|
|
Tuesday Night
Aug 11
|
Patchy Smoke then Mostly Cloudy
|
60°F |
5 to 15 mph
WSW
|
|
Wednesday
Aug 12
|
Mostly Cloudy
|
83°F |
5 to 15 mph
WSW
|
|
Wednesday Night
Aug 12
|
Chance Showers And Thunderstorms
|
55°F |
5 to 10 mph
SSE
|
|
Thursday
Aug 13
|
Showers And Thunderstorms Likely
|
77°F |
0 to 10 mph
SSW
|
|
Thursday Night
Aug 13
|
Showers And Thunderstorms Likely
|
52°F |
5 to 10 mph
SSW
|
|
Friday
Aug 14
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
76°F |
5 to 15 mph
WSW
|
|
Friday Night
Aug 14
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
50°F |
5 to 10 mph
WSW
|
|
Saturday
Aug 15
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
78°F |
0 to 10 mph
WSW
|
|
Saturday Night
Aug 15
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
50°F |
5 to 10 mph
SW
|
|
Sunday
Aug 16
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
78°F |
5 to 10 mph
WSW
|
|
Sunday Night
Aug 16
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
50°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sinclair.