Skip Navigation Links
Click to go to the Boulder Creek Weather homepage        
Weather in Boulder Creek, California
navigation bar decoration
  Cresta Vista, Boulder Creek, California 95006 USA
Lat: 37.140 Lon: -122.127 Alt: 695 feet
CWOP Site ID: C1844        Wunderground ID: KCABOULD3
Real-time weather data updated frequently.

Current Station Operational Status
10-23-2020 Installed air particle counters from PurpleAir and added widgets to the main page.
11-11-2020 Added PurpleAir Air Quality Index map of Boulder Creek to main page.
11-12-2020 Updated Space Weather page.
01-22-2021 Power outage took out the server's power supply despite it being on a UPS. Some pages will not be updated until repair is completed.
01-28-2021 Power supply replaced in weather server and back online. Repairing some webpages that gone off.
12-16-2021 Replaced failed air particle sensor display in webpage with new display.

Current Conditions

Chrome update of 76.0.3809.132 introduced a bug, which stretches horizontally all menus that contain left/right background images in their items. Let me know if this is an issue.
Santa Cruz County is an official Storm Ready Community! Check out Weather Warnings at Also check California EDIS and Santa Cruz County OES for the latest emergency alerts and bulletins.

Local Weather Warnings and Forecasts

      No Warnings

Santa Cruz Mountains-
301 AM PST Tue Jan 18 2022

.REST OF TONIGHT...Mostly clear except patchy fog. Lows in the
mid 40s. North winds up to 5 mph. 

.TUESDAY...Sunny. Highs in the mid 50s to lower 60s. Light
winds...becoming northwest around 5 mph in the afternoon. 

.TUESDAY NIGHT...Mostly clear in the evening then becoming partly
cloudy. Patchy fog. Lows in the lower 40s. North winds around
5 mph increasing to 10 to 15 mph after midnight. 

.WEDNESDAY...Sunny. Highs in the mid 50s to lower 60s. North
winds 10 to 20 mph. 

.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. North
winds 10 to 20 mph. 

.THURSDAY...Sunny. Highs in the upper 50s to mid 60s. 

.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. 

.FRIDAY...Sunny. Highs near 60. 

.FRIDAY NIGHT...Mostly clear. Lows in the lower 40s. 

.SATURDAY...Sunny. Highs in the upper 50s to mid 60s. 

.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows in the lower
40s. Highs in the upper 50s to mid 60s. 


Current Temperature, Humidity, Wind and Pressure


Current Solar Radiation and UV Index

* Mid-day drops is due to the sunlight passing through neighboring trees.

Air Particle Counters

Outdoors US EPA PM2.5 AQI
Indoors US EPA PM2.5 AQI

Loading PurpleAir Widget...
Loading PurpleAir Widget...

Temperature Converter Utility - Convert between Fahrenheit and Celsius ....
Mobile Weather Report for your PDA and Smartphone!
Checkout This Hour's Detailed Weather Observations and Calculations ....

Visits to Boulder Creek Weather
Copyright 2020 All rights reserved 
Unauthorized duplication or distribution of pages and weather data is prohibited. Data requests are available.
Never base important decisions on this or any weather information obtained from the Internet!
USA Weather Finder
United States Weather Group
Send comments to
Revised: 26 Dec 2010 00:28 -0800