Boulder Creek, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Boulder Creek, a community in Santa Cruz County, California.

This Afternoon

84°F

Sunny

Sunny. High near 84, with temperatures falling to around 81 in the afternoon. Northwest wind around 7 mph.

7-day forecast for Boulder Creek

When	Temp	Forecast	Wind	Precip
This Afternoon	84°F	Sunny	7 mph NW	0%
Tonight	52°F	Mostly Clear	0 to 6 mph NW	0%
Saturday	87°F	Sunny	0 to 5 mph NNE	0%
Saturday Night	53°F	Mostly Cloudy	3 mph NW	0%
Sunday	80°F	Partly Sunny	1 to 5 mph NW	3%
Sunday Night	51°F	Mostly Cloudy	0 to 5 mph NNW	3%
Monday	81°F	Patchy Fog then Mostly Sunny	2 mph WNW	0%
Monday Night	52°F	Partly Cloudy	2 mph NW	0%
Tuesday	85°F	Sunny	2 mph WNW	0%
Tuesday Night	54°F	Mostly Clear	2 mph NNW	0%
Wednesday	94°F	Sunny	2 mph NW	0%
Wednesday Night	60°F	Mostly Clear	2 mph NNW	0%
Thursday	94°F	Sunny	2 mph WNW	0%
Thursday Night	58°F	Mostly Clear	2 mph NW	0%

Forecast source: National Weather Service (api.weather.gov) for Boulder Creek (37.134, -122.127). Updated through the day.

Growing snapshot for Boulder Creek

Last spring frost

Mar 25

First fall frost

Nov 11

Growing season

231 days

Hardiness zone

More local growing data for Boulder Creek: nearby ZIP 95007 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Ben Lomond #4, Ca (2.6 mi from Boulder Creek). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.