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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 Boulder-Creek.com. Also check California EDIS and Santa Cruz County OES for the latest emergency alerts and bulletins.

Local Weather Warnings and Forecasts


 
      No Warnings

CAZ512-212000-
Santa Cruz Mountains-
901 PM PST Sat Dec 20 2025


.REST OF TONIGHT...Rain. Lows in the lower 50s. South winds 10 to
20 mph. Gusts up to 35 mph after midnight. 

.SUNDAY...Rain in the morning, then showers and a slight chance
of thunderstorms in the afternoon. Locally heavy rainfall
possible in the afternoon. Highs in the upper 50s. South winds
10 to 20 mph with gusts to around 35 mph. 

.SUNDAY NIGHT...Showers and a slight chance of thunderstorms in
the evening, then rain after midnight. Locally heavy rainfall
possible in the evening. Lows in the lower 50s. South winds 10 to
20 mph with gusts to around 35 mph. 

.MONDAY...Rain. Highs in the upper 50s. South winds 5 to 10 mph. 

.MONDAY NIGHT...Patchy fog in the evening. Rain in the evening,
then rain likely after midnight. Lows in the lower 50s. Southeast
winds 5 to 10 mph. 

.TUESDAY...Rain likely. Highs in the upper 50s. 

.TUESDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows around 50. 

.WEDNESDAY...Rain. Highs in the upper 50s. 

.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Rain. Lows in the upper
40s. Highs in the mid 50s. 

.FRIDAY...Rain likely. Highs in the 50s. 

.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A chance of rain.
Lows in the 40s. Highs 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

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Temperature Converter Utility - Convert between Fahrenheit and Celsius ....
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Checkout This Hour's Detailed Weather Observations and Calculations ....

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Revised: 26 Dec 2010 00:28 -0800
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