Saratoga, California (West Valley College Area)

Current Weather Conditions, Maps, and Forecasts

Saturday December 20, 2025; 6:20AM

DISCLAIMER: This is a hobby page. As such, the reliability of this information is not guaranteed, or warrantied in any way, including, but not limited to, either for correctness or for fitness for any particular purpose. All risk for the use of this information is assumed by the readers and users of this page, including those who use the results extracted from either this page, or the scripts on which this page relies. Never base decisions that could affect life, property, livelihood, or anything else, on the information contained on this page, whether this information is locally derived or extracted from other locations on the Internet. In particular, the outputs and results shown for the air quality index (AQI) and the text forecasts are entirely the experimental work of an amateur hobbyist with no training in either weather forecasting or meterology. As such, these pages could very well contain or convey completely incorrect information (for example, the AQI reading is based on the last measurement of pollutants only, and is not an average over multiple hours!)  
Current Conditions
Realtime Single-sample US-EPA Air Quality Index
0 - GOOD

(Using 2024 US-EPA PM2.5 conversion)
Air quality is considered satisfactory, and air pollution poses little or no risk.
Outside Temperature 60.1°F
Wind Chill 60.1°F
Heat Index 60.0°F
Dew Point 57.2°F
Humidity 90%
Barometer 30.076 inHg
Barometer Trend (3 hours) -0.007 inHg
Wind 0 mph
Rain Rate 0.00 in/h
Garage Temperature 62.9°F
UV Index 0.0
Radiation 0 W/m²
Using 2024 US-EPA PM2.5 conversion
Latest PM2.5 [AQI]0 μg/m³ [0]

 

Since Midnight
High Temperature
Low Temperature
60.4°F at 00:11:38
59.4°F at 04:39:08
High Heat Index
Low Wind Chill
60.2°F at 00:11:38
59.4°F at 04:39:08
High Humidity
Low Humidity
90% at 05:01:51
87% at 00:00:04
High Dewpoint
Low Dewpoint
57.2°F at 06:15:11
56.2°F at 04:39:08
High Barometer
Low Barometer
30.088 inHg at 02:24:03
30.061 inHg at 00:14:02
Today's Rain 0.00 in
High Rain Rate 0.00 in/h at 00:00:04
High Wind 8 mph from 149° (SSE) at 00:06:50
Average Wind 0 mph
RMS Wind 0 mph
Vector Average Speed
Vector Average Direction
0 mph
195°
High Garage Temperature
Low Garage Temperature
63.2°F at 00:00:04
62.9°F at 04:22:01
High UV
Low UV
0.0 at 00:00:04
0.0 at 00:00:04
High Radiation
Low Radiation
0 W/m² at 00:00:04
0 W/m² at 00:00:04

 

Rain Year (1-Oct start)
Rain Year Total 5.76 in

 

Local Radar Loop
Local Radar

Click image for a larger image

 

Regional Radar Loop
Regional Radar

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Hazard Map (from the NWS)
Regional Hazard Map

Click map for more details

 

Current Weather Outlook
Current Weather Outlook

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High Temperature Outlook
High Temperature Outlook

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Low Temperature Outlook
Low Temperature Outlook

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Santa Clara County Reservoirs
ALERT Reservoir Data

 

California Major Reservoirs
Major Reservoir Levels

 

PG&E Electrical Outage Map
PG&E Electrical Outage Map

 

California Rainfall Totals
NOAA/NWS CA/NV Rainfall totals

 

California Snowpack Levels
California Snowpack Information

 

CAL FIRE Incidents
CAL Fire Active Incidents

 

Weather Networks We Are On
AWEKAS CWOP MesoWest
Met Office (UK) Ambient Weather PWS Weather (HamWeather)
Southwestern Weather Network Weather Underground Weather Cloud
WindAlert (Weatherflow) PurpleAir

Weather Forecast

Forecast Created by Experimental Software Written By an Amateur With No Guarantee or Warranty or Promise of Accuracy Provided or Implied! Use at Your Own Risk! You Assume All Risk and Liability If You Use This Information in Any Way, For Any Purpose Whatsoever! See the Disclaimer Given Above!
raw forecast data generated on
Sat, 20 Dec 2025 05:25:02 -0800 (PST)

Click here for an official National Weather Service forecast! NWS Disclaimer
 
 
Saturday
Light rain certain
Hi 64 °F
 Precp 78% 
Rain
Saturday
Night
Light rain certain
Lo 55 °F
 Precp 87% 
Rain
 
Sunday
Moderate rain certain
Hi 60 °F
 Precp 89% 
Rain
Sunday
Night
Moderate rain certain
Lo 53 °F
 Precp 91% 
Rain
 
Monday
Moderate rain certain
Hi 59 °F
 Precp 85% 
Rain
Monday
Night
Moderate rain certain
Lo 50 °F
 Precp 81% 
Rain
 
Tuesday
Moderate rain certain
Hi 59 °F
 Precp 81% 
Rain
Tuesday
Night
Moderate rain certain
Lo 48 °F
 Precp 94% 
Rain

Saturday
 
Light rain certain, with a high of 64. Cloudy in the morning, with a bit of the cloudiness clearing, becoming mostly cloudy by the afternoon. Expecting approximately 0.02 inches of rain. Chance of precipitation is 78%. Humidity 100% in the morning, lowering to 90% by the afternoon. Winds are a light breeze, ESE-SSW at 2-5 mph, gusting to a gentle breeze, 6-8 mph.
Saturday Night
 
Light rain certain, with a low of 55. Cloudy in the evening, with a bit of the cloudiness clearing, becoming mostly cloudy after midnight. Expecting approximately 0.08 inches of rain. Chance of precipitation will be 87%. Humidity 97% in the evening, rising to 100% after midnight. Winds will be a gentle breeze, S at 5-9 mph, gusting to a fresh breeze, 9-20 mph. Winds stronger after midnight.
Sunday
 
Moderate rain certain, with a high of 60. Mostly cloudy in the morning, with full overcast conditions arriving, becoming cloudy by the afternoon. Expecting approximately 0.32 inches of rain, mostly in the afternoon. Chance of precipitation will be 89%. Humidity 100% in the morning, lowering to 93% by the afternoon. Winds will be a moderate breeze, S at 10-14 mph, gusting to a strong breeze (small-craft advisory!), 21-26 mph.
Sunday Night
 
Moderate rain certain, with a low of 53. Cloudy through the night. Expecting approximately 0.51 inches of rain. Chance of precipitation will be 91%. Humidity 100% through the night. Winds will be a moderate breeze, S at 7-14 mph, gusting to a strong breeze (small-craft advisory!), 15-25 mph. Sustained winds stronger in the evening.
Monday
 
Moderate rain certain, with a high of 59. Cloudy in the morning, with a bit of the cloudiness clearing, becoming mostly cloudy by the afternoon. Expecting approximately 0.56 inches of rain. Chance of precipitation will be 85%. Humidity 100% through the day. Winds will be a light breeze, S at 7 mph, gusting to a moderate breeze, 14-15 mph.
Monday Night
 
Moderate rain certain, with a low of 50. Cloudy through the night. Expecting approximately 0.49 inches of rain. Chance of precipitation will be 81%. Humidity 100% through the night. Winds will be a light breeze, SSE-S at 6 mph, gusting to a moderate breeze, 12-13 mph.
Tuesday
 
Moderate rain certain, with a high of 59. Cloudy through the day. Chance of precipitation will be 81%. Humidity 100% in the morning, lowering to 96% by the afternoon. Winds will be a gentle breeze, SSE at 6-10 mph, gusting to a fresh breeze, 14-22 mph.
Tuesday Night
 
Moderate rain certain, with a low of 48. Cloudy through the night. Chance of precipitation will be 94%. Humidity 89% in the evening, rising to 93% after midnight. Winds will be a moderate breeze, SSE-S at 13-14 mph, gusting to a strong breeze (small-craft advisory!), 26-28 mph.
Wednesday
 
Moderate rain certain, with a high of 57. Mostly cloudy through the day. Chance of precipitation will be 79%. Humidity 96% in the morning, rising to 100% by the afternoon. Winds will be a gentle breeze, SSE-S at 7-8 mph, gusting to a moderate breeze, 15-16 mph.
Wednesday Night
 
Moderate rain certain, with a low of 48. Mostly cloudy through the night. Chance of precipitation will be 89%. Humidity 84% in the evening, rising to 93% after midnight. Winds will be a moderate breeze, SSE at 10-14 mph, gusting to a strong breeze (small-craft advisory!), 20-28 mph.
Christmas Day
 
Moderate rain certain, with a high of 55. Cloudy through the day. Chance of precipitation will be 90%. Humidity 90% in the morning, rising to 100% by the afternoon. Winds will be a moderate breeze, S at 13-15 mph, gusting to a strong breeze (small-craft advisory!), 24-28 mph.
Thursday Night
 
Moderate rain certain, with a low of 44. Mostly cloudy through the night. Chance of precipitation will be 83%. Humidity 89% in the evening, rising to 93% after midnight. Winds will be a gentle breeze, S-SSW at 10 mph, gusting to a fresh breeze, 21-22 mph.
Friday
 
Light rain likely, with a high of 55. Mostly cloudy through the day. Chance of precipitation will be 65%. Humidity 96% in the morning, rising to 100% by the afternoon. Winds will be a gentle breeze, S-SW at 7-8 mph, gusting to a moderate breeze, 16-17 mph.


The above Experimental Forecast used the National Weather Service's NDFD XML Feed
for Saratoga, CA
(37.263°N, 122.003°W, NWS Zone CAZ513, NWS County CAC085)



About this weather station:
Location
Latitude: 37° 15.75' N
Longitude: 122° 00.20' W
Altitude: 376 feet

This station uses a Vantage Pro2, controlled by 'WeeWX', an experimental weather software system written in Python. Weewx was designed to be simple, fast, and easy to understand by leveraging modern software concepts.

RSS feed

Smartphone formatted

WeeWX uptime: 1 day, 3 hours, 24 minutes
Server uptime: 1 day, 3 hours, 24 minutes
weewx v5.2.0

Today's Almanac
Sun
Start civil twilight: 06:47:58
Sunrise: 07:17:36
Transit: 12:05:52
Sunset: 16:54:06
End civil twilight: 17:23:45
Prev. Day Length:09:36:34
Curr. Day Length:09:36:30
Curr. Shorter by:00:00:04
Azimuth: 111.0°
Altitude: -11.3°
Right ascension: 268.9°
Declination: -23.4°
Solstice: 12/21/25 07:02:51
Equinox: 03/20/26 07:45:53
Moon
Rise: 08:10:56
Transit: 12:45:21
Set: 17:21:46
Duration Seen:09:11
Azimuth: 111.4°
Altitude: -19.5°
Right ascension: 276.2°
Declination: -28.4°
Full moon: 01/03/26 02:02:50
New moon: 01/18/26 11:51:54
Phase: New
(0% full)
temperatures heatchill outside humidity rain wind barometer Hi Wind PM 2.5 Concentration Garage Wind Vector Radiation UV Index day rx percent