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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

WhenTempForecastWindPrecip
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.