Sundance, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sundance, a town in Crook County, Wyoming.
Today
49°F
Partly Sunny
Partly sunny. High near 49, with temperatures falling to around 37 in the afternoon. North wind 5 to 8 mph, with gusts as high as 16 mph.
7-day forecast for Sundance
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 49°F | Partly Sunny | 5 to 8 mph N | 0% |
| Tonight | 29°F | Partly Cloudy | 5 mph E | 0% |
| Thursday | 54°F | Sunny | 6 mph S | 0% |
| Thursday Night | 34°F | Partly Cloudy | 6 to 9 mph SW | 0% |
| Friday | 48°F | Mostly Sunny | 3 to 7 mph NW | 0% |
| Friday Night | 33°F | Mostly Clear | 3 to 7 mph SW | 0% |
| Saturday | 53°F | Sunny | 5 to 10 mph W | 0% |
| Saturday Night | 35°F | Mostly Clear | 3 to 10 mph SW | 0% |
| Sunday | 60°F | Sunny | 9 to 14 mph S | 0% |
| Sunday Night | 39°F | Mostly Clear | 3 to 8 mph S | 0% |
| Monday | 57°F | Sunny | 6 mph N | 0% |
| Monday Night | 38°F | Partly Cloudy | 3 to 7 mph SE | 1% |
| Tuesday | 58°F | Mostly Sunny | 3 to 7 mph S | 0% |
| Tuesday Night | 39°F | Partly Cloudy | 5 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Sundance (44.405, -104.366). Updated through the day.
Growing snapshot for Sundance
Last spring frost
May 21
First fall frost
Sep 25
Growing season
124 days
Hardiness zone
4b
More local growing data for Sundance: nearby ZIP 82729 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sundance, Wy (2.8 mi from Sundance). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.