Sinclair, WY Weather Forecast
Local 7-day forecast
Sunny then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Sinclair, WY in one place.
A slight chance of rain showers after 3pm. Sunny. High near 64, with temperatures falling to around 55 in the afternoon. Southwest wind 15 to 40 mph, with gusts as high as 65 mph. Chance of precipitation is 20%.
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: Apr 22, 2026 1:50 AM MDT.
The active forecast window currently covers Apr 22 to Apr 28, 2026 for Sinclair, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 28, 2026
- Latest sync
- Apr 22, 2026 1:50 AM MDT
- Forecast office
- CYS
- Source
- NOAA / NWS
Daily Outlook
This Week in Sinclair
Wednesday looks like the warmest upcoming period in Sinclair at 64 degrees F.
Friday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Wednesday at about 15 to 40 mph SW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 22, 2026 1:50 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
A slight chance of rain and snow showers before midnight. Mostly cloudy, with a low around 35. West wind 25 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 20%.
A chance of snow showers. Partly sunny, with a high near 51. West southwest wind 30 to 40 mph, with gusts as high as 65 mph. Chance of precipitation is 30%.
A chance of snow showers. Partly cloudy, with a low around 30. West wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 30%.
A chance of snow showers. Partly sunny, with a high near 46. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.
Partly cloudy, with a low around 27.
Mostly sunny, with a high near 58.
A chance of rain showers before 9pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 34.
A chance of rain and snow showers before noon, then a slight chance of thunderstorms and rain and snow showers likely. Mostly cloudy, with a high near 51.
A chance of rain showers before 9pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 31.
A chance of snow showers before noon, then a chance of snow showers and a slight chance of thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 54.
A slight chance of rain showers before 9pm, then a slight chance of rain and snow showers between 9pm and midnight. Mostly cloudy, with a low around 33.
A slight chance of rain showers after noon. Mostly sunny, with a high near 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Sunny then Slight Chance Rain Showers
|
64°F |
15 to 40 mph
SW
|
|
Wednesday Night
Apr 22
|
Slight Chance Rain And Snow Showers then Mostly Cloudy
|
35°F |
25 to 35 mph
W
|
|
Thursday
Apr 23
|
Chance Snow Showers
|
51°F |
30 to 40 mph
WSW
|
|
Thursday Night
Apr 23
|
Chance Snow Showers
|
30°F |
20 to 30 mph
W
|
|
Friday
Apr 24
|
Chance Snow Showers
|
46°F |
15 to 25 mph
W
|
|
Friday Night
Apr 24
|
Partly Cloudy
|
27°F |
0 to 25 mph
NW
|
|
Saturday
Apr 25
|
Mostly Sunny
|
58°F |
0 to 20 mph
SSW
|
|
Saturday Night
Apr 25
|
Chance Rain And Snow Showers
|
34°F |
5 to 15 mph
ENE
|
|
Sunday
Apr 26
|
Slight Chance T-storms
|
51°F |
5 to 10 mph
WSW
|
|
Sunday Night
Apr 26
|
Chance Rain And Snow Showers
|
31°F |
0 to 10 mph
NNW
|
|
Monday
Apr 27
|
Chance Snow Showers
|
54°F |
0 to 15 mph
W
|
|
Monday Night
Apr 27
|
Slight Chance Rain And Snow Showers then Mostly Cloudy
|
33°F |
5 to 15 mph
WSW
|
|
Tuesday
Apr 28
|
Mostly Sunny then Slight Chance Rain Showers
|
58°F |
5 to 20 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sinclair.