Boulder City, NV Weather & Growing Conditions
Tonight
68°F
Clear
Clear, with a low around 68. West wind 3 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Clear | 3 to 9 mph W | 0% |
| Saturday | 90°F | Sunny | 2 to 6 mph NNE | 0% |
| Saturday Night | 69°F | Mostly Clear | 0 to 3 mph WSW | 0% |
| Sunday | 90°F | Mostly Sunny | 2 to 6 mph NE | 0% |
| Sunday Night | 73°F | Partly Cloudy | 3 mph S | 9% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms | 2 to 10 mph E | 35% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 1 to 8 mph WSW | 35% |
| Tuesday | 87°F | Sunny | 2 to 6 mph NNE | 9% |
| Tuesday Night | 70°F | Clear | 3 mph NW | 2% |
| Wednesday | 91°F | Sunny | 1 to 7 mph NNE | 2% |
| Wednesday Night | 73°F | Mostly Clear | 0 to 3 mph WNW | 4% |
| Thursday | 92°F | Sunny | 1 to 6 mph ENE | 4% |
| Thursday Night | 75°F | Partly Cloudy | 3 mph S | 8% |
| Friday | 91°F | Mostly Sunny | 1 to 6 mph SSE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Boulder City, NV
Last spring frost
Jan 21
First fall frost
Dec 17
Growing season
328 days
Hardiness zone
9b
Explore more for Boulder City, NV: full frost dates · planting calendar · Nevada frost dates
Climate data from the nearest NOAA station, Alan Bible Visitor Ctr, Nv (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.