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
67°F
Clear
Clear. Low around 67, with temperatures rising to around 69 overnight. Southwest wind around 5 mph.
7-day forecast for Boulder City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Clear | 5 mph SW | 0% |
| Saturday | 94°F | Sunny | 0 to 5 mph NNW | 0% |
| Saturday Night | 68°F | Mostly Clear | 2 mph ENE | 0% |
| Sunday | 95°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Sunday Night | 71°F | Partly Cloudy | 0 to 5 mph S | 8% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 13 mph ESE | 30% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 0 to 10 mph SSW | 30% |
| Tuesday | 91°F | Sunny | 0 to 6 mph NE | 7% |
| Tuesday Night | 68°F | Clear | 0 to 5 mph WSW | 2% |
| Wednesday | 95°F | Sunny | 0 to 6 mph NE | 2% |
| Wednesday Night | 71°F | Mostly Clear | 0 to 3 mph WSW | 2% |
| Thursday | 97°F | Sunny | 0 to 6 mph ENE | 5% |
| Thursday Night | 72°F | Mostly Clear then Slight Chance Rain Showers | 0 to 5 mph SSW | 15% |
| Friday | 96°F | Slight Chance Rain Showers then Sunny | 0 to 7 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 Sep 19, 2026.