Purple Sage, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Purple Sage, a community in Sweetwater County, Wyoming.
Today
46°F
Cloudy
Cloudy. High near 46, with temperatures falling to around 43 in the afternoon. North northeast wind 3 to 9 mph.
7-day forecast for Purple Sage
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 46°F | Cloudy | 3 to 9 mph NNE | 14% |
| Tonight | 28°F | Partly Cloudy | 1 to 7 mph N | 3% |
| Thursday | 49°F | Mostly Sunny | 5 mph WSW | 0% |
| Thursday Night | 30°F | Mostly Cloudy | 2 to 6 mph WSW | 6% |
| Friday | 49°F | Sunny | 5 to 10 mph W | 6% |
| Friday Night | 28°F | Mostly Clear | 7 mph WSW | 0% |
| Saturday | 52°F | Sunny | 2 to 6 mph WSW | 0% |
| Saturday Night | 31°F | Mostly Clear | 2 mph SSW | 0% |
| Sunday | 57°F | Sunny | 2 to 6 mph SW | 0% |
| Sunday Night | 33°F | Mostly Clear | 5 mph SW | 0% |
| Monday | 58°F | Mostly Sunny | 3 mph SW | 0% |
| Monday Night | 34°F | Mostly Cloudy | 3 mph SW | 0% |
| Tuesday | 57°F | Mostly Sunny | 6 mph WSW | 0% |
| Tuesday Night | 34°F | Partly Cloudy | 5 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Purple Sage (41.551, -109.320). Updated through the day.
Growing snapshot for Purple Sage
Last spring frost
May 24
First fall frost
Sep 24
Growing season
121 days
Hardiness zone
5a
More local growing data for Purple Sage: nearby ZIP 82943 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Arrowhead Springs
Bairoil
Clearview Acres
Eden
Farson
Granger
Green River
James Town
Little America
McKinnon
North Rock Springs
Point of Rocks
Reliance
Rock Springs
Superior
Table Rock
Wamsutter
Climate data from the nearest NOAA station, Rock Springs Fire Dept, Wy (9 mi from Purple Sage). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.