National Weather Service Forecast for: Boulder Creek CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 12:46 am PDT Aug 20, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 56. Calm wind.
Partly Cloudy
Thursday

Thursday: Partly sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the afternoon.
Partly Sunny
Thursday
Night
Thursday Night: Mostly cloudy, with a low around 56. Light northwest wind.
Mostly Cloudy
Friday

Friday: Mostly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.
Mostly Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 54. Northwest wind around 5 mph becoming calm  in the evening.
Mostly Clear
Saturday

Saturday: Sunny, with a high near 86.
Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 54.
Mostly Clear
Sunday

Sunday: Mostly sunny, with a high near 87.
Mostly Sunny
Sunday
Night
Sunday Night: Partly cloudy, with a low around 55.
Partly Cloudy
Lo 56 °F Hi 88 °F Lo 56 °F Hi 86 °F Lo 54 °F Hi 86 °F Lo 54 °F Hi 87 °F Lo 55 °F

 

Overnight
 
Partly cloudy, with a low around 56. Calm wind.
Thursday
 
Partly sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
 
Mostly cloudy, with a low around 56. Light northwest wind.
Friday
 
Mostly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
 
Mostly clear, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Saturday
 
Sunny, with a high near 86.
Saturday Night
 
Mostly clear, with a low around 54.
Sunday
 
Mostly sunny, with a high near 87.
Sunday Night
 
Partly cloudy, with a low around 55.
Monday
 
Mostly sunny, with a high near 85.
Monday Night
 
Partly cloudy, with a low around 54.
Tuesday
 
Mostly sunny, with a high near 85.
Tuesday Night
 
Partly cloudy, with a low around 55.
Wednesday
 
Mostly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Boulder Creek CA.