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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.

03-09-2023 Rain bucket offline. Suspect snow messed up the tipping bucket.
03-11-2023 Rain bucket failed with crud buildup. Rain totals are invalid. Hoping to climb the roof and clear it out.
08-17-2023 Rain bucket has been throughly cleaned. Dirt had plugged up the drip hole.

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-
901 PM PDT Sat Jun 15 2024

.REST OF TONIGHT...Mostly clear. Lows in the upper 40s to mid
50s. Northwest winds 10 to 20 mph. 

.SUNDAY...Sunny. Highs in the 60s to mid 70s. Northwest winds
5 to 10 mph increasing to 10 to 20 mph in the afternoon. 

.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s. Northwest
winds 10 to 20 mph. 

.MONDAY...Sunny. Highs in the 60s to upper 70s. Northwest winds
10 to 20 mph. 

.MONDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
Northwest winds 5 to 10 mph. Gusts up to 25 mph in the evening. 

.TUESDAY...Sunny. Highs in the 60s to upper 70s. 

.TUESDAY NIGHT AND JUNETEENTH...Mostly clear. Lows around 50.
Highs in the 60s to mid 70s. 

.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows in the upper 40s to mid 50s. 

.THURSDAY THROUGH SATURDAY...Mostly clear. Highs in the mid 60s
to lower 80s. Lows in the 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

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 ....

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Revised: 26 Dec 2010 00:28 -0800