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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 Wed May 29 2024

.REST OF TONIGHT...Clear. Lows in the lower to mid 50s. North
winds 5 to 10 mph. 

.THURSDAY...Sunny. Highs in the upper 60s to lower 80s. Northwest
winds 5 to 10 mph. 

.THURSDAY NIGHT...Mostly clear. Lows in the 50s. North winds up
to 5 mph. 

.FRIDAY...Sunny. Highs in the 60s to mid 70s. Southwest winds up
to 5 mph. 

.FRIDAY NIGHT...Mostly clear in the evening then becoming partly
cloudy. Patchy fog after midnight. Lows in the upper 40s. West
winds 5 to 10 mph. 

.SATURDAY...Sunny. Highs in the 60s to lower 70s. 

.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows around 50. Highs
in the 60s to lower 70s. 

.SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Patchy fog. Lows in the lower 50s. 

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

.MONDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the lower 50s.

.TUESDAY...Partly cloudy in the morning then becoming sunny.
Highs in the 60s to mid 70s. 

.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the lower
50s. Highs in the 70s to lower 80s. 


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 ....
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