Boulder, WY Weather & Growing Conditions
Today
72°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 72. West wind 6 to 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Areas Of Smoke | 6 to 12 mph W | 0% |
| Tonight | 46°F | Areas Of Smoke | 3 to 16 mph N | 0% |
| Wednesday | 75°F | Areas Of Smoke | 2 to 15 mph SW | 0% |
| Wednesday Night | 50°F | Areas Of Smoke | 6 to 15 mph NNW | 0% |
| Thursday | 81°F | Areas Of Smoke then Sunny | 5 to 20 mph NW | 0% |
| Thursday Night | 54°F | Mostly Clear | 3 to 20 mph N | 0% |
| Friday | 85°F | Sunny | 2 to 18 mph WNW | 0% |
| Friday Night | 55°F | Mostly Clear | 8 to 17 mph NNW | 0% |
| Saturday | 85°F | Sunny | 3 to 15 mph WNW | 1% |
| Saturday Night | 58°F | Partly Cloudy | 7 to 16 mph N | 1% |
| Sunday | 84°F | Sunny | 3 to 15 mph WNW | 2% |
| Sunday Night | 59°F | Partly Cloudy | 6 to 16 mph NNW | 0% |
| Monday | 84°F | Mostly Sunny | 5 to 14 mph WNW | 4% |
| Monday Night | 58°F | Partly Cloudy | 6 to 14 mph NNW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Boulder, WY
Growing season
43 days
Hardiness zone
4a
Explore more for Boulder, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Boulder Rearing Stn, Wy (16 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.