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.
Tonight
53°F
Partly Cloudy
Partly cloudy, with a low around 53. Northwest wind 1 to 5 mph.
7-day forecast for Boulder Creek
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Partly Cloudy | 1 to 5 mph NW | 0% |
| Sunday | 79°F | Mostly Cloudy | 1 to 5 mph NNW | 0% |
| Sunday Night | 52°F | Mostly Cloudy | 3 mph NW | 1% |
| Monday | 79°F | Mostly Sunny | 2 mph W | 0% |
| Monday Night | 52°F | Partly Cloudy | 2 mph WNW | 1% |
| Tuesday | 81°F | Mostly Sunny | 0 to 3 mph W | 1% |
| Tuesday Night | 52°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Wednesday | 93°F | Sunny | 0 to 3 mph NW | 0% |
| Wednesday Night | 58°F | Mostly Clear | 3 mph NNW | 0% |
| Thursday | 95°F | Sunny | 2 mph NW | 0% |
| Thursday Night | 57°F | Mostly Clear | 2 mph NNW | 0% |
| Friday | 88°F | Sunny | 3 mph WNW | 0% |
| Friday Night | 54°F | Partly Cloudy | 3 mph NW | 2% |
| Saturday | 83°F | Sunny | 3 mph WNW | 1% |
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
9b
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 20, 2026.