Sundance, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sundance, a town in Crook County, Wyoming.
Overnight
43°F
Areas Of Smoke
Areas of smoke. Mostly clear, with a low around 43. Northwest wind around 1 mph.
7-day forecast for Sundance
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Areas Of Smoke | 1 mph NW | 1% |
| Tuesday | 70°F | Areas Of Smoke then Mostly Sunny | 1 to 5 mph SW | 2% |
| Tuesday Night | 48°F | Partly Cloudy then Slight Chance Rain Showers | 3 mph SW | 18% |
| Wednesday | 78°F | Sunny | 7 mph SW | 3% |
| Wednesday Night | 54°F | Mostly Clear | 5 mph S | 0% |
| Thursday | 86°F | Sunny | 2 to 6 mph W | 1% |
| Thursday Night | 58°F | Mostly Clear | 5 mph SE | 0% |
| Friday | 90°F | Sunny | 3 to 7 mph S | 0% |
| Friday Night | 63°F | Mostly Clear | 7 mph SE | 0% |
| Saturday | 91°F | Sunny | 6 to 9 mph NW | 1% |
| Saturday Night | 62°F | Mostly Clear | 5 to 8 mph E | 3% |
| Sunday | 91°F | Mostly Sunny | 5 to 10 mph SE | 3% |
| Sunday Night | 62°F | Partly Cloudy | 5 to 8 mph E | 14% |
| Monday | 88°F | Mostly Sunny | 5 to 10 mph E | 12% |
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 Aug 4, 2026.