Boulder City, NV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Boulder City, a city in Clark County, Nevada.
Overnight
82°F
Clear
Clear. Low around 82, with temperatures rising to around 84 overnight. South southeast wind around 7 mph.
7-day forecast for Boulder City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 82°F | Clear | 7 mph SSE | 0% |
| Tuesday | 111°F | Sunny | 5 to 15 mph S | 0% |
| Tuesday Night | 82°F | Mostly Clear | 9 to 14 mph S | 0% |
| Wednesday | 110°F | Sunny | 8 to 14 mph S | 0% |
| Wednesday Night | 82°F | Clear | 5 to 13 mph S | 0% |
| Thursday | 109°F | Sunny | 5 to 10 mph SSE | 4% |
| Thursday Night | 83°F | Mostly Clear | 2 to 12 mph S | 3% |
| Friday | 111°F | Sunny | 1 to 5 mph SSE | 3% |
| Friday Night | 85°F | Mostly Clear | 2 to 8 mph SSW | 3% |
| Saturday | 111°F | Sunny | 2 to 9 mph S | 5% |
| Saturday Night | 85°F | Mostly Clear | 5 to 10 mph S | 5% |
| Sunday | 109°F | Sunny | 6 to 17 mph S | 5% |
| Sunday Night | 83°F | Partly Cloudy | 14 to 18 mph S | 5% |
| Monday | 106°F | Slight Chance Showers And Thunderstorms | 14 to 18 mph S | 15% |
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 Aug 4, 2026.