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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.

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 3 2023

.REST OF TONIGHT...Mostly cloudy. Patchy fog after midnight. Lows
in the upper 40s to mid 50s. North winds around 5 mph. 

.SUNDAY...Sunny. Highs in the upper 60s to mid 70s. South winds
5 to 10 mph. 

.SUNDAY NIGHT...Mostly clear in the evening then becoming mostly
cloudy. Lows in the upper 40s. South winds 5 to 10 mph. 

.MONDAY...Mostly cloudy. A slight chance of showers. Highs in the
lower to mid 60s. South winds 5 to 15 mph. Chance of showers
20 percent. 

.MONDAY NIGHT...Mostly cloudy. A chance of showers. A slight
chance of thunderstorms after midnight. Lows around 50. Southwest
winds 5 to 15 mph. Chance of precipitation 40 percent. 

.TUESDAY...Mostly cloudy. A slight chance of thunderstorms. Highs
in the upper 50s to mid 60s. 

.TUESDAY NIGHT...Mostly cloudy. A slight chance of showers. Lows
around 50. 

.WEDNESDAY THROUGH THURSDAY NIGHT...Partly cloudy. Highs in the
60s to lower 70s. Lows around 50. 

.FRIDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the 60s to lower 70s. 

.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the upper
40s. Highs in the 60s to lower 70s. 


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...
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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