Sinclair, WY Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sinclair, WY in one place.
Partly sunny. High near 72, with temperatures falling to around 69 in the afternoon. South wind 0 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: Sep 24, 2026 5:13 PM MDT.
The active forecast window currently covers Sep 25 to Sep 30, 2026 for Sinclair, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 25 to Sep 30, 2026
- Latest sync
- Sep 24, 2026 5:13 PM MDT
- Forecast office
- CYS
- Source
- NOAA / NWS
Daily Outlook
This Week in Sinclair
Saturday looks like the warmest upcoming period in Sinclair at 75 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Sunday at about 5 to 20 mph SSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 24, 2026 5:13 PM 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
Mostly clear, with a low around 48. Southwest wind 10 to 15 mph.
Sunny, with a high near 75. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Partly cloudy, with a low around 48.
Partly sunny, with a high near 75.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
A chance of rain showers before noon, then showers and thunderstorms likely. Partly sunny, with a high near 66.
Showers and thunderstorms likely. Mostly cloudy, with a low around 44.
A chance of rain showers before noon. Partly sunny, with a high near 58.
Partly cloudy, with a low around 42.
A slight chance of rain showers before noon. Sunny, with a high near 62.
Mostly clear, with a low around 41.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Sep 25
|
Partly Sunny
|
72°F |
0 to 15 mph
S
|
|
Friday Night
Sep 25
|
Mostly Clear
|
48°F |
10 to 15 mph
SW
|
|
Saturday
Sep 26
|
Sunny
|
75°F |
10 to 15 mph
SW
|
|
Saturday Night
Sep 26
|
Partly Cloudy
|
48°F |
5 to 15 mph
SSW
|
|
Sunday
Sep 27
|
Partly Sunny
|
75°F |
5 to 20 mph
SSW
|
|
Sunday Night
Sep 27
|
Chance Showers And Thunderstorms
|
49°F |
15 mph
SW
|
|
Monday
Sep 28
|
Showers And Thunderstorms Likely
|
66°F |
15 mph
SW
|
|
Monday Night
Sep 28
|
Showers And Thunderstorms Likely
|
44°F |
10 mph
NW
|
|
Tuesday
Sep 29
|
Chance Rain Showers then Partly Sunny
|
58°F |
10 to 15 mph
NW
|
|
Tuesday Night
Sep 29
|
Partly Cloudy
|
42°F |
10 to 15 mph
W
|
|
Wednesday
Sep 30
|
Slight Chance Rain Showers then Sunny
|
62°F |
15 to 20 mph
WSW
|
|
Wednesday Night
Sep 30
|
Mostly Clear
|
41°F |
5 to 15 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sinclair.