Boulder City, NV Weather & Growing Conditions
Today
108°F
Sunny
Sunny, with a high near 108. South wind 10 to 14 mph, with gusts as high as 23 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 108°F | Sunny | 10 to 14 mph S | 0% |
| Tonight | 85°F | Mostly Clear | 13 mph SSW | 0% |
| Wednesday | 106°F | Sunny | 14 mph S | 0% |
| Wednesday Night | 85°F | Clear | 9 to 14 mph S | 0% |
| Thursday | 106°F | Sunny | 9 mph SSE | 2% |
| Thursday Night | 86°F | Mostly Clear | 6 to 10 mph SSE | 1% |
| Friday | 107°F | Sunny | 6 mph SSE | 2% |
| Friday Night | 87°F | Mostly Clear | 6 mph S | 2% |
| Saturday | 109°F | Sunny | 5 to 9 mph SSE | 3% |
| Saturday Night | 88°F | Mostly Clear | 9 mph S | 3% |
| Sunday | 106°F | Sunny | 9 to 15 mph SSE | 5% |
| Sunday Night | 85°F | Partly Cloudy | 16 mph S | 5% |
| Monday | 103°F | Slight Chance Showers And Thunderstorms | 16 mph SSE | 11% |
| Monday Night | 84°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 16 mph S | 11% |
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 Aug 4, 2026.