Superior, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Superior, a town in Sweetwater County, Wyoming.
Today
81°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 81. Northwest wind 5 to 15 mph, with gusts as high as 21 mph.
7-day forecast for Superior
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Patchy Smoke | 5 to 15 mph NW | 0% |
| Tonight | 47°F | Areas Of Smoke | 3 to 17 mph NW | 0% |
| Wednesday | 81°F | Sunny | 2 to 16 mph SW | 0% |
| Wednesday Night | 49°F | Mostly Clear | 5 to 17 mph WNW | 0% |
| Thursday | 86°F | Sunny | 2 to 16 mph W | 0% |
| Thursday Night | 54°F | Mostly Clear | 2 to 16 mph WNW | 0% |
| Friday | 90°F | Sunny | 2 to 13 mph W | 0% |
| Friday Night | 58°F | Partly Cloudy | 6 to 13 mph WNW | 0% |
| Saturday | 91°F | Sunny | 5 to 14 mph W | 0% |
| Saturday Night | 59°F | Partly Cloudy | 3 to 13 mph WNW | 0% |
| Sunday | 89°F | Mostly Sunny | 3 to 13 mph W | 4% |
| Sunday Night | 59°F | Mostly Cloudy | 3 to 13 mph NW | 4% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 13 mph W | 15% |
| Monday Night | 57°F | Mostly Cloudy | 5 to 13 mph NNW | 8% |
Forecast source: National Weather Service (api.weather.gov) for Superior (41.760, -108.964). Updated through the day.
Growing snapshot for Superior
Last spring frost
May 22
First fall frost
Sep 28
Growing season
126 days
Hardiness zone
5a
More local growing data for Superior: nearby ZIP 82945 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
Purple Sage
Reliance
Rock Springs
Table Rock
Wamsutter
Climate data from the nearest NOAA station, Rock Springs Ap, Wy (10.5 mi from Superior). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.