Green River, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Green River, a city in Sweetwater County, Wyoming.
Today
86°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 86. North northeast wind 3 to 16 mph, with gusts as high as 23 mph.
7-day forecast for Green River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Patchy Smoke | 3 to 16 mph NNE | 0% |
| Tonight | 49°F | Areas Of Smoke | 2 to 18 mph W | 0% |
| Wednesday | 87°F | Sunny | 2 to 16 mph SW | 0% |
| Wednesday Night | 51°F | Mostly Clear | 1 to 16 mph WSW | 0% |
| Thursday | 92°F | Sunny | 1 to 15 mph WSW | 0% |
| Thursday Night | 55°F | Mostly Clear | 1 to 15 mph WSW | 0% |
| Friday | 96°F | Sunny | 1 to 10 mph WSW | 0% |
| Friday Night | 59°F | Mostly Clear | 3 to 12 mph W | 0% |
| Saturday | 97°F | Sunny | 2 to 8 mph WSW | 0% |
| Saturday Night | 61°F | Partly Cloudy | 2 to 10 mph WSW | 0% |
| Sunday | 95°F | Sunny | 2 to 9 mph WSW | 6% |
| Sunday Night | 60°F | Partly Cloudy | 3 to 12 mph SW | 2% |
| Monday | 94°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 9 mph SW | 15% |
| Monday Night | 59°F | Mostly Cloudy | 3 to 10 mph SSW | 9% |
Forecast source: National Weather Service (api.weather.gov) for Green River (41.513, -109.471). Updated through the day.
Growing snapshot for Green River
Last spring frost
May 24
First fall frost
Sep 22
Growing season
120 days
Hardiness zone
5a
More local growing data for Green River: nearby ZIP 82935 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Arrowhead Springs
Bairoil
Clearview Acres
Eden
Farson
Granger
James Town
Little America
McKinnon
North Rock Springs
Point of Rocks
Purple Sage
Reliance
Rock Springs
Superior
Table Rock
Wamsutter
Climate data from the nearest NOAA station, Green Rvr, Wy (14.8 mi from Green River). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.