National Weather Service Forecast for: Green River WY
Issued by: National Weather Service Riverton, WY
Updated: 8:17 pm MDT Jun 18, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 48. West northwest wind 6 to 11 mph becoming light and variable after midnight.
Partly Cloudy

 Juneteenth

Juneteenth: Sunny, with a high near 89. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny

 Friday
Night
Friday Night: Mostly cloudy, with a low around 55. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Mostly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 85. Windy, with a light and variable wind becoming west 20 to 25 mph in the morning. Winds could gust as high as 37 mph.
Mostly Sunny
then Sunny
and Windy
 Saturday
Night
Saturday Night: Mostly clear, with a low around 48. Breezy, with a west wind 18 to 23 mph becoming light west southwest after midnight. Winds could gust as high as 34 mph.
Partly Cloudy
and Breezy
then Mostly
Clear
 Sunday

Sunday: Sunny, with a high near 81. Breezy, with a light and variable wind becoming west northwest 12 to 17 mph in the morning. Winds could gust as high as 28 mph.
Sunny then
Sunny and
Breezy
 Sunday
Night
Sunday Night: Mostly clear, with a low around 47. North northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Mostly Clear

 Monday

Monday: Sunny, with a high near 85.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 47. Breezy.
Mostly Clear
and Breezy
Lo 48 °F Hi 89 °F Lo 55 °F Hi 85 °F Lo 48 °F Hi 81 °F Lo 47 °F Hi 85 °F Lo 47 °F

 

Tonight
 
 Partly cloudy, with a low around 48. West northwest wind 6 to 11 mph becoming light and variable after midnight.
Juneteenth
 
 Sunny, with a high near 89. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
 
 Mostly cloudy, with a low around 55. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Saturday
 
 Mostly sunny, with a high near 85. Windy, with a light and variable wind becoming west 20 to 25 mph in the morning. Winds could gust as high as 37 mph.
Saturday Night
 
 Mostly clear, with a low around 48. Breezy, with a west wind 18 to 23 mph becoming light west southwest after midnight. Winds could gust as high as 34 mph.
Sunday
 
 Sunny, with a high near 81. Breezy, with a light and variable wind becoming west northwest 12 to 17 mph in the morning. Winds could gust as high as 28 mph.
Sunday Night
 
 Mostly clear, with a low around 47. North northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Monday
 
 Sunny, with a high near 85.
Monday Night
 
 Mostly clear, with a low around 47. Breezy.
Tuesday
 
 Sunny, with a high near 88.
Tuesday Night
 
 Mostly clear, with a low around 51.
Wednesday
 
 Sunny, with a high near 90.
Wednesday Night
 
 Mostly clear, with a low around 51.
Thursday
 
 Sunny, with a high near 89.

 

Forecast from NOAA-NWS for Green River WY.