National Weather Service Forecast for: Green River WY
Issued by: National Weather Service Riverton, WY
Updated: 12:32 am MDT Jun 30, 2026
 
Overnight

Overnight: Clear, with a low around 39. Calm wind.
Clear
 Tuesday

Tuesday: Sunny, with a high near 74. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny
 Tuesday
Night
Tuesday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 42. West northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Gradual
Clearing
 Wednesday

Wednesday: Increasing clouds, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Increasing
Clouds
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 47. West southwest wind 5 to 9 mph becoming calm in the evening.
Partly Cloudy
 Thursday

Thursday: Sunny, with a high near 82. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 50. West wind 5 to 10 mph becoming light and variable in the evening.
Partly Cloudy
 Friday

Friday: Mostly sunny, with a high near 84.
Mostly Sunny
 Friday
Night
Friday Night: Partly cloudy, with a low around 49.
Partly Cloudy
Lo 39 °F Hi 74 °F Lo 42 °F Hi 79 °F Lo 47 °F Hi 82 °F Lo 50 °F Hi 84 °F Lo 49 °F

 

Overnight
 
 Clear, with a low around 39. Calm wind.
Tuesday
 
 Sunny, with a high near 74. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
 
 Mostly cloudy during the early evening, then gradual clearing, with a low around 42. West northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Wednesday
 
 Increasing clouds, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
 
 Partly cloudy, with a low around 47. West southwest wind 5 to 9 mph becoming calm in the evening.
Thursday
 
 Sunny, with a high near 82. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
 
 Partly cloudy, with a low around 50. West wind 5 to 10 mph becoming light and variable in the evening.
Friday
 
 Mostly sunny, with a high near 84.
Friday Night
 
 Partly cloudy, with a low around 49.
Independence Day
 
 Sunny, with a high near 85.
Saturday Night
 
 Mostly clear, with a low around 51.
Sunday
 
 Sunny, with a high near 89.
Sunday Night
 
 Mostly clear, with a low around 56.
Monday
 
 Sunny, with a high near 92.

 

Forecast from NOAA-NWS for Green River WY.