Saratoga, California (West Valley College Area)

Current Weather Conditions, Maps, and Forecasts

Saturday September 12, 2026; 5:30AM

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 57.3°F
Wind Chill 57.3°F
Heat Index 57.0°F
Dew Point 54.7°F
Humidity 91%
Barometer 29.888 inHg
Barometer Trend (3 hours) 0.009 inHg
Wind 0 mph
Rain Rate 0.00 in/h
Garage Temperature 79.1°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
62.5°F at 00:15:35
57.2°F at 05:29:44
High Heat Index
Low Wind Chill
62.5°F at 00:15:35
57.2°F at 05:29:44
High Humidity
Low Humidity
91% at 04:45:38
86% at 00:19:07
High Dewpoint
Low Dewpoint
58.6°F at 00:37:05
54.6°F at 05:00:52
High Barometer
Low Barometer
29.891 inHg at 05:02:01
29.873 inHg at 00:04:01
Today's Rain 0.00 in
High Rain Rate 0.00 in/h at 00:00:03
High Wind 0 mph
Average Wind 0 mph
RMS Wind 0 mph
Vector Average Speed
Vector Average Direction
0 mph
N/A
High Garage Temperature
Low Garage Temperature
84.3°F at 00:00:03
79.1°F at 05:17:59
High UV
Low UV
0.0 at 00:00:03
0.0 at 00:00:03
High Radiation
Low Radiation
0 W/m² at 00:00:03
0 W/m² at 00:00:03

 

Rain Year (1-Oct start)
Rain Year Total 19.93 in

 

Local Radar Loop
Local Radar

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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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Low Temperature Outlook
Low Temperature Outlook

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High Temperature Outlook
High 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, 12 Sep 2026 04:50:00 -0700 (PDT)

Click here for an official National Weather Service forecast! NWS Disclaimer
 
Friday
Night
Partly Cloudy
Lo 57 °F
 Precp 0% 
Partly
Cloudy

 
Saturday
Mostly Sunny
Hi 82 °F
 Precp 0% 
Mostly
Sunny

Saturday
Night
Mostly Clear
Lo 55 °F
 Precp 1% 
Mostly
Clear

 
Sunday
Mostly Sunny
Hi 78 °F
 Precp 1% 
Mostly
Sunny

Sunday
Night
Mostly Clear
Lo 53 °F
 Precp 0% 
Mostly
Clear

 
Monday
Mostly Sunny
Hi 86 °F
 Precp 0% 
Mostly
Sunny

Monday
Night
Mostly Clear
Lo 55 °F
 Precp 0% 
Mostly
Clear

 
Tuesday
Mostly Sunny
Hi 84 °F
 Precp 0% 
Mostly
Sunny

Friday Night
 
Low of 57. Partly cloudy through the night. Humidity 84% through the night. Winds are a light air, W at 1 mph, gusting to 3 mph.
Saturday
 
High of 82. Partly cloudy in the morning, with clouds clearing, to become sunny by the afternoon. Humidity 83% in the morning, lowering to 52% by the afternoon. Winds will be a moderate breeze, NNW-N at 1-13 mph, gusting to a fresh breeze, 2-22 mph. Winds stronger in the afternoon.
Saturday Night
 
Low of 55. Clear in the evening, with incoming clouds making it partly cloudy after midnight. Chance of precipitation will be 1%. Humidity 54% in the evening, rising to 93% after midnight. Winds will be a moderate breeze, NW-NNW at 8-17 mph, gusting to a near gale (small-craft advisory!), 21-33 mph.
Sunday
 
High of 78. Partly cloudy in the morning, with clouds clearing, to become sunny by the afternoon. Chance of precipitation will be 1%. Humidity 89% in the morning, lowering to 45% by the afternoon. Winds will be a moderate breeze, NW-NNW at 8-14 mph, gusting to a fresh breeze, 21-24 mph.
Sunday Night
 
Low of 53. Clear in the evening, with a few clouds later making it mostly clear after midnight. Humidity 45% in the evening, rising to 87% after midnight. Winds will be a moderate breeze, WNW-NW at 1-14 mph, gusting to a fresh breeze, 2-24 mph. Winds weaker in the evening.
Monday
 
High of 86. Mostly sunny in the morning, with any clouds clearing to become sunny by the afternoon. Humidity 89% in the morning, lowering to 33% by the afternoon. Winds will be a gentle breeze, NW-NNW at 1-10 mph, gusting to a fresh breeze, 2-20 mph. Winds stronger in the afternoon.
Monday Night
 
Low of 55. Clear in the evening, with a few clouds later making it mostly clear after midnight. Humidity 36% in the evening, rising to 81% after midnight. Winds will be a gentle breeze, WNW-NW at 1-10 mph, gusting to a fresh breeze, 2-20 mph. Winds weaker in the evening.
Tuesday
 
High of 84. Mostly sunny through the day. Humidity 89% in the morning, lowering to 59% by the afternoon. Winds will be a light air, WSW at 1 mph, gusting to a light breeze, 2-5 mph. Gusting winds stronger in the afternoon.
Tuesday Night
 
Low of 55. Mostly clear through the night. Humidity 49% in the evening, rising to 86% after midnight. Winds will be a light breeze, SSW-W at 1-5 mph, gusting to a gentle breeze, 2-10 mph. Winds weaker in the evening.
Wednesday
 
High of 84. Partly cloudy in the morning, with some clouds clearing, making it mostly sunny by the afternoon. Humidity 89% in the morning, lowering to 59% by the afternoon. Winds will be a light air, S-SSW at 2 mph, gusting to a light breeze, 3-6 mph.
Wednesday Night
 
Low of 55. Clear in the evening, with a few clouds later making it mostly clear after midnight. Humidity 49% in the evening, rising to 84% after midnight. Winds will be a light breeze, W at 1-5 mph, gusting to a gentle breeze, 1-10 mph. Winds weaker in the evening.
Thursday
 
High of 84. Partly cloudy in the morning, with some clouds clearing, making it mostly sunny by the afternoon. Humidity 89% in the morning, lowering to 60% by the afternoon. Winds will be a light air, WNW at 2 mph, gusting to a light breeze, 1-5 mph. Gusting winds stronger in the afternoon.
Thursday Night
 
Low of 55. Clear in the evening, with a few clouds later making it mostly clear after midnight. Humidity 49% in the evening, rising to 83% after midnight. Winds will be a light breeze, NW at 2-6 mph, gusting to a moderate breeze, 3-13 mph. Winds weaker in the evening.
Friday
 
High of 84. Partly cloudy in the morning, with some clouds clearing, making it mostly sunny by the afternoon. Humidity 93% in the morning, lowering to 59% by the afternoon. Winds will be a light air, NW-NNW at 1-3 mph, gusting to a gentle breeze, 2-9 mph. Winds stronger in the afternoon.


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: 0 days, 17 hours, 45 minutes
Server uptime: 0 days, 17 hours, 46 minutes
weewx v5.5.0

Today's Almanac
Sun
Start civil twilight: 06:20:48
Sunrise: 06:47:30
Transit: 13:04:10
Sunset: 19:20:13
End civil twilight: 19:46:52
Prev. Day Length:12:35:04
Curr. Day Length:12:32:43
Curr. Shorter by:00:02:21
Azimuth: 72.0°
Altitude: -15.9°
Right ascension: 170.6°
Declination: 4.0°
Equinox: 09/22/26 17:05:09
Solstice: 12/21/26 12:49:59
Moon
Rise: 08:28:20
Transit: 14:18:45
Set: 19:59:54
Duration Seen:11:32
Azimuth: 69.5°
Altitude: -34.2°
Right ascension: 185.8°
Declination: -6.2°
Full moon: 09/26/26 09:48:57
New moon: 10/10/26 08:50:01
Phase: New
(2% full)
temperatures heatchill outside humidity rain wind barometer Hi Wind PM 2.5 Concentration Garage Wind Vector Radiation UV Index day rx percent