Boulder City, NV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Boulder City, a city in Clark County, Nevada.
Tonight
47°F
Clear
Clear, with a low around 47. West southwest wind around 3 mph.
7-day forecast for Boulder City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Clear | 3 mph WSW | 0% |
| Wednesday | 68°F | Sunny | 1 to 6 mph NNW | 0% |
| Wednesday Night | 48°F | Mostly Clear | 3 mph NNW | 0% |
| Thursday | 68°F | Mostly Sunny | 2 to 8 mph NNW | 0% |
| Thursday Night | 48°F | Partly Cloudy | 3 mph NW | 0% |
| Friday | 70°F | Sunny | 3 to 16 mph N | 0% |
| Friday Night | 48°F | Clear | 2 to 7 mph NNW | 0% |
| Saturday | 71°F | Sunny | 2 to 9 mph N | 0% |
| Saturday Night | 49°F | Clear | 2 mph NW | 0% |
| Sunday | 72°F | Sunny | 0 to 6 mph N | 0% |
| Sunday Night | 50°F | Mostly Clear | 2 mph NW | 1% |
| Monday | 73°F | Mostly Sunny | 0 to 3 mph NNE | 1% |
| Monday Night | 52°F | Partly Cloudy | 1 mph NNW | 0% |
| Tuesday | 74°F | Mostly Sunny | 0 to 3 mph NNE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Boulder City (35.844, -114.912). Updated through the day.
Growing snapshot for Boulder City
Last spring frost
Jan 21
First fall frost
Dec 17
Growing season
328 days
Hardiness zone
9b
More local growing data for Boulder City: nearby ZIP 89002 weather · frost dates · planting calendar · Nevada frost dates
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Climate data from the nearest NOAA station, Alan Bible Visitor Ctr, Nv (9.3 mi from Boulder City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.