Sundance, WY Weather & Growing Conditions
Today
65°F
Areas Of Fog then Showers And Thunderstorms Likely
Areas of fog and a slight chance of showers and thunderstorms before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and thunderstorms likely. Cloudy. High near 65, with temperatures falling to around 63 in the afternoon. Northeast wind around 7 mph. Chance of precipitation is 60%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Areas Of Fog then Showers And Thunderstorms Likely | 7 mph NE | 64% |
| Tonight | 48°F | Showers And Thunderstorms | 2 to 7 mph NE | 88% |
| Sunday | 59°F | Showers And Thunderstorms | 3 to 8 mph NE | 79% |
| Sunday Night | 44°F | Showers And Thunderstorms | 1 to 5 mph NE | 77% |
| Monday | 62°F | Chance Rain Showers | 2 to 6 mph S | 44% |
| Monday Night | 44°F | Mostly Clear | 6 to 10 mph S | 2% |
| Tuesday | 71°F | Sunny | 5 to 10 mph S | 1% |
| Tuesday Night | 50°F | Mostly Clear | 3 to 9 mph S | 8% |
| Wednesday | 74°F | Chance Showers And Thunderstorms | 7 mph S | 26% |
| Wednesday Night | 49°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph S | 16% |
| Thursday | 78°F | Sunny | 2 to 6 mph S | 7% |
| Thursday Night | 51°F | Mostly Clear | 5 to 8 mph SE | 3% |
| Friday | 78°F | Mostly Sunny | 8 to 12 mph S | 4% |
| Friday Night | 52°F | Partly Cloudy | 8 to 14 mph S | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sundance, WY
Last spring frost
May 21
First fall frost
Sep 25
Growing season
124 days
Hardiness zone
4b
Explore more for Sundance, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Sundance, Wy (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.