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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

CAZ512-020500-
Santa Cruz Mountains-
601 AM PST Thu Jan 1 2026


...WIND ADVISORY IN EFFECT FROM 1 PM FRIDAY TO 1 PM PST
SATURDAY...


.TODAY...Showers and a slight chance of thunderstorms. Highs in
the mid 50s. South winds 10 to 20 mph. 

.TONIGHT...Mostly cloudy. A chance of showers. Lows in the mid to
upper 40s. South winds 10 to 20 mph. 

.FRIDAY...Mostly cloudy. A chance of showers. Highs in the 50s.
Southeast winds 10 to 20 mph with gusts to around 35 mph. 

.FRIDAY NIGHT...Breezy, showers. Lows in the lower 50s. South
winds 20 to 30 mph with gusts to around 45 mph. 

.SATURDAY...Showers. Highs in the upper 50s. South winds 10 to
20 mph with gusts to around 40 mph. 

.SATURDAY NIGHT...Showers and a slight chance of thunderstorms.
Lows in the lower 50s. 

.SUNDAY...Showers and a slight chance of thunderstorms. Highs in
the mid 50s. 

.SUNDAY NIGHT...Showers. Lows in the upper 40s. 

.MONDAY...Showers. Highs in the mid 50s. 

.MONDAY NIGHT AND TUESDAY...Mostly cloudy. A chance of showers.
Lows in the mid 40s. Highs in the 40s to upper 50s. 

.TUESDAY NIGHT...Mostly cloudy. A slight chance of showers. Lows
in the lower 40s. 

.WEDNESDAY...Partly cloudy. A chance of showers. Highs in the 40s
to upper 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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Checkout This Hour's Detailed Weather Observations and Calculations ....

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Revised: 26 Dec 2010 00:28 -0800
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