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Weather in Boulder Creek, California
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  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-
601 AM PST Mon Jan 30 2023



.TODAY...Sunny. Highs in the 40s to lower 50s. North winds 10 to
20 mph. 

.TONIGHT...Clear. Lows in the lower 30s. North winds 10 to
20 mph. 

.TUESDAY...Sunny. Highs in the 40s to upper 50s. Northeast winds
10 to 20 mph...becoming north 5 to 10 mph in the afternoon. 

.TUESDAY NIGHT...Partly cloudy. Lows in the upper 30s. Northeast
winds 5 to 10 mph. 

.WEDNESDAY...Partly cloudy in the morning then becoming sunny.
Highs in the 50s. East winds around 5 mph...becoming southwest in
the afternoon. 

.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. 

.THURSDAY...Mostly cloudy. Highs in the upper 40s to mid 50s. 

.THURSDAY NIGHT...Cloudy. A chance of rain. Lows in the mid 40s. 

.FRIDAY...Mostly cloudy. A slight chance of rain. Highs in the
40s to upper 50s. 

.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower
40s. Highs in the 50s to lower 60s. 

.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A chance of rain.
Lows in the lower 40s. Highs in the 40s to mid 50s. 


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

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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 ....

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Revised: 26 Dec 2010 00:28 -0800