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.
Today
94°F
Haze then Sunny
Haze before 8am. Sunny. High near 94, with temperatures falling to around 89 in the afternoon. Southeast wind around 2 mph.
7-day forecast for Boulder Creek
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Haze then Sunny | 2 mph SE | 0% |
| Tonight | 55°F | Mostly Clear | 1 mph SSE | 0% |
| Wednesday | 93°F | Sunny | 2 mph S | 0% |
| Wednesday Night | 56°F | Mostly Clear | 1 mph SSW | 0% |
| Thursday | 94°F | Sunny | 2 mph WSW | 0% |
| Thursday Night | 59°F | Mostly Clear | 2 mph NW | 0% |
| Friday | 99°F | Sunny | 2 mph WNW | 0% |
| Friday Night | 60°F | Mostly Clear | 2 mph NW | 0% |
| Saturday | 96°F | Sunny | 2 mph WNW | 0% |
| Saturday Night | 60°F | Mostly Clear | 2 mph NW | 0% |
| Sunday | 92°F | Sunny | 3 mph WNW | 0% |
| Sunday Night | 56°F | Mostly Clear | 3 mph WNW | 0% |
| Monday | 86°F | Sunny | 3 mph WSW | 0% |
| Monday Night | 54°F | Mostly Clear | 2 mph W | 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
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 Aug 4, 2026.