Granger Junction, WY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Granger Junction, WY in one place.
Mostly sunny, with a high near 75. North northeast wind 2 to 6 mph.
Local Weather Overview
This forecast page for Granger Junction, 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 14, 2026 11:10 PM MDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Granger Junction, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 14, 2026 11:10 PM MDT
- Forecast office
- RIW
- Source
- NOAA / NWS
Daily Outlook
This Week in Granger Junction
Tuesday looks like the warmest upcoming period in Granger Junction at 75 degrees F.
Saturday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Saturday Night at about 6 to 9 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 11:10 PM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- RIW
- Radar station
- KRIW
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. Partly cloudy, with a low around 45. South wind 5 to 8 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 75. South wind around 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Southeast wind 3 to 8 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. South wind around 6 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42. South southwest wind around 7 mph.
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 71. Chance of precipitation is 20%.
Partly cloudy, with a low around 38.
Sunny, with a high near 71.
Mostly clear, with a low around 37.
Sunny, with a high near 73.
Partly cloudy, with a low around 39.
Sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Mostly Sunny
|
75°F |
2 to 6 mph
NNE
|
|
Tuesday Night
Sep 15
|
Chance Showers And Thunderstorms
|
45°F |
5 to 8 mph
S
|
|
Wednesday
Sep 16
|
Sunny then Slight Chance Showers And Thunderstorms
|
75°F |
5 mph
S
|
|
Wednesday Night
Sep 16
|
Slight Chance Showers And Thunderstorms
|
45°F |
3 to 8 mph
SE
|
|
Thursday
Sep 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
73°F |
6 mph
S
|
|
Thursday Night
Sep 17
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
42°F |
7 mph
SSW
|
|
Friday
Sep 18
|
Sunny then Slight Chance Showers And Thunderstorms
|
71°F |
6 mph
SW
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
38°F |
7 mph
W
|
|
Saturday
Sep 19
|
Sunny
|
71°F |
5 mph
W
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
37°F |
6 to 9 mph
W
|
|
Sunday
Sep 20
|
Sunny
|
73°F |
3 mph
W
|
|
Sunday Night
Sep 20
|
Partly Cloudy
|
39°F |
6 mph
SSW
|
|
Monday
Sep 21
|
Sunny
|
74°F |
3 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Granger Junction.