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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

CAZ512-171700-
Santa Cruz Mountains-
501 PM PST Sun Nov 16 2025


.TONIGHT...Patchy fog. Showers and a slight chance of
thunderstorms. Locally heavy rainfall possible after midnight.
Lows in the 40s. South winds 10 to 20 mph with gusts to around
40 mph. 

.MONDAY...Patchy fog in the morning. Rain in the morning, then a
chance of rain in the afternoon. Highs in the lower to mid 50s.
West winds 10 to 20 mph. 

.MONDAY NIGHT...Mostly cloudy. A chance of showers and a slight
chance of thunderstorms in the evening, then a chance of rain
after midnight. Lows in the mid 40s. Northwest winds 5 to 15 mph.

.TUESDAY...Partly cloudy in the morning then becoming sunny.
Highs in the 50s to lower 60s. North winds 5 to 10 mph. 

.TUESDAY NIGHT...Mostly clear in the evening then becoming partly
cloudy. Lows in the mid 40s. Northwest winds around 5 mph...
becoming east after midnight. 

.WEDNESDAY...Partly cloudy. Highs in the 50s to lower 60s. 

.WEDNESDAY NIGHT...Mostly cloudy. A chance of rain. Lows in the
upper 40s. 

.THURSDAY...Rain likely. Highs in the 50s to lower 60s. 

.THURSDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. A chance of rain. Lows in the mid 40s. 

.FRIDAY...Sunny in the morning then becoming partly cloudy. Highs
in the 50s to lower 60s. 

.FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. 

.SATURDAY THROUGH SUNDAY...Mostly clear. Highs in the 50s to mid
60s. Lows in the mid 40s. 


$$





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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Revised: 26 Dec 2010 00:28 -0800
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