National Weather Service Forecast for: Green River WY
Issued by: National Weather Service Riverton, WY
Updated: 12:31 pm MDT Oct 6, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 80. Northwest wind 3 to 6 mph.
Sunny

Tonight

Tonight: Mostly clear, with a low around 44. Light and variable wind.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 43. West northwest wind around 5 mph becoming calm  in the evening.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 44. West wind around 5 mph becoming calm  in the evening.
Mostly Clear

Friday

Friday: Sunny, with a high near 79. Light south southwest wind becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 26 mph.
Sunny

Friday
Night
Friday Night: Partly cloudy, with a low around 48.
Partly Cloudy

Saturday

Saturday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 74. Breezy.
Mostly Sunny
then Chance
Showers and
Breezy
Hi 80 °F Lo 44 °F Hi 79 °F Lo 43 °F Hi 78 °F Lo 44 °F Hi 79 °F Lo 48 °F Hi 74 °F

 

This Afternoon
 
Sunny, with a high near 80. Northwest wind 3 to 6 mph.
Tonight
 
Mostly clear, with a low around 44. Light and variable wind.
Wednesday
 
Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 43. West northwest wind around 5 mph becoming calm in the evening.
Thursday
 
Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
 
Mostly clear, with a low around 44. West wind around 5 mph becoming calm in the evening.
Friday
 
Sunny, with a high near 79. Light south southwest wind becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 26 mph.
Friday Night
 
Partly cloudy, with a low around 48.
Saturday
 
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. Breezy.
Saturday Night
 
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 45. Breezy. Chance of precipitation is 40%.
Sunday
 
A chance of showers and thunderstorms. Mostly cloudy, with a high near 66. Breezy.
Sunday Night
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 39. Breezy.
Columbus Day
 
A chance of showers and thunderstorms. Partly sunny, with a high near 61. Breezy.

 

Forecast from NOAA-NWS for Green River WY.