Saratoga, California (West Valley College Area)

Current Weather Conditions, Maps, and Forecasts

Sunday May 17, 2026; 3:30AM

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
5 - GOOD

(Using 2024 US-EPA PM2.5 conversion)
Air quality is considered satisfactory, and air pollution poses little or no risk.
Outside Temperature 50.6°F
Wind Chill 50.6°F
Heat Index 49.2°F
Dew Point 45.0°F
Humidity 81%
Barometer 29.908 inHg
Barometer Trend (3 hours) -0.018 inHg
Wind 0 mph
Rain Rate 0.00 in/h
Garage Temperature 71.5°F
UV Index 0.0
Radiation 0 W/m²
Using 2024 US-EPA PM2.5 conversion
Latest PM2.5 [AQI]0.9 μg/m³ [5]

 

Since Midnight
High Temperature
Low Temperature
54.8°F at 00:00:38
50.6°F at 03:28:44
High Heat Index
Low Wind Chill
53.4°F at 00:00:38
50.6°F at 03:28:44
High Humidity
Low Humidity
82% at 02:55:12
72% at 00:01:48
High Dewpoint
Low Dewpoint
46.8°F at 00:33:38
45.0°F at 03:28:44
High Barometer
Low Barometer
29.944 inHg at 00:00:04
29.904 inHg at 02:38:02
Today's Rain 0.00 in
High Rain Rate 0.00 in/h at 00:00:04
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
75.0°F at 00:00:04
71.5°F at 03:20:00
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 19.65 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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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

Active Advisory

New moderate wind advisory

WIND ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 11 AM PDT MONDAY

To show the detailed information about this alert, click anywhere in this alert box

National Weather Service alerts map for your zone/county. The color key table only shows the keys for alerts that are active in your specified county or zone and only shows one alert for each spot on the map, even when more than one alert may be active at that spot. According to the NWS, when there are multiple alerts for a single spot, 'only the most significant threat to life or property is displayed on the map.'
 
 
 
 
 
 
 
Wind Advisory
 
 
 
 
 
 
 
You may also obtain far more information about this weather alert by clicking on this link to
the National Weather Service Forecast Office's report for your forecast region.
(Alerts are from the National Weather Service's CAP v1.2 JSON Feed)


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
Sun, 17 May 2026 03:30:02 -0700 (PDT)

Click here for an official National Weather Service forecast! NWS Disclaimer
 
Saturday
Night
Mostly Clear
Lo 48 °F
 Precp 0% 
Mostly
Clear

 
Sunday
Mostly Sunny
Hi 75 °F
 Precp 0% 
Mostly
Sunny

Sunday
Night
Mostly Clear
Lo 57 °F
 Precp 0% 
Mostly
Clear

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

Monday
Night
Clear
Lo 53 °F
 Precp 0% 
Clear
 
Tuesday
Sunny
Hi 89 °F
 Precp 0% 
Sunny
Tuesday
Night
Mostly Clear
Lo 55 °F
 Precp 0% 
Mostly
Clear

 
Wednesday
Mostly Sunny
Hi 89 °F
 Precp 0% 
Mostly
Sunny

Saturday Night
 
Low of 48. Mostly clear through the night. Humidity 80% in the evening, rising to 82% after midnight. Winds are a light air, NW-N at 1-3 mph, gusting to a gentle breeze, 8-9 mph. Sustained winds stronger in the evening.
Sunday
 
High of 75. Mostly sunny through the day. Humidity 83% in the morning, lowering to 32% by the afternoon. Winds will be a moderate breeze, W-NNW at 1-15 mph, gusting to a strong breeze (small-craft advisory!), 8-26 mph. Winds stronger in the afternoon.
Sunday Night
 
Low of 57. Mostly clear in the evening, with any clouds clearing to become clear after midnight. Humidity 31% in the evening, rising to 33% after midnight. Winds will be a moderate breeze, NW-NNW at 10-16 mph, gusting to a near gale (small-craft advisory!), 25-35 mph.
Monday
 
High of 84. Mostly sunny through the day. Humidity 34% in the morning, lowering to 19% by the afternoon. Winds will be a gentle breeze, NW-N at 10-12 mph, gusting to a fresh breeze, 20-24 mph.
Monday Night
 
Low of 53. Clear through the night. Humidity 18% in the evening, rising to 53% after midnight. Winds will be a gentle breeze, S-NW at 0-10 mph, gusting to a fresh breeze, 1-21 mph. Winds weaker in the evening.
Tuesday
 
High of 89. Sunny through the day. Humidity 57% in the morning, lowering to 17% by the afternoon. Winds will be a light breeze, NNW at 2-7 mph, gusting to a moderate breeze, 1-13 mph. Winds stronger in the afternoon.
Tuesday Night
 
Low of 55. Clear through the night. Humidity 18% in the evening, rising to 48% after midnight. Winds will be a gentle breeze, WNW-NW at 0-9 mph, gusting to a moderate breeze, 2-16 mph. Winds weaker in the evening.
Wednesday
 
High of 89. Mostly sunny through the day. Humidity 55% in the morning, lowering to 28% by the afternoon. Winds will be a light air, W at 2 mph, gusting to a light breeze, 1-5 mph. Gusting winds stronger in the afternoon.
Wednesday Night
 
Low of 55. Clear through the night. Humidity 22% in the evening, rising to 56% after midnight. Winds will be a gentle breeze, SSW-W at 1-8 mph, gusting to a moderate breeze, 2-14 mph. Winds weaker in the evening.
Thursday
 
High of 89. Mostly sunny in the morning, with any clouds clearing to become sunny by the afternoon. Humidity 66% in the morning, lowering to 34% by the afternoon. Winds will be a light air, S-WSW 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 26% in the evening, rising to 65% after midnight. Winds will be a light breeze, WSW-W at 1-7 mph, gusting to a moderate breeze, 3-13 mph. Winds weaker in the evening.
Friday
 
High of 84. Mostly sunny in the morning, with any clouds clearing to become sunny by the afternoon. Humidity 77% in the morning, lowering to 43% by the afternoon. Winds will be a light air, SSW-WSW at 3 mph, gusting to a light breeze, 2-7 mph. Gusting winds stronger in the afternoon.
Friday Night
 
Low of 53. Clear in the evening, with a few clouds later making it mostly clear after midnight. Chance of precipitation will be 1%. Humidity 35% in the evening, rising to 74% after midnight. Winds will be a light breeze, SSW-W at 3-7 mph, gusting to a gentle breeze, 6-12 mph. Winds weaker in the evening.
Saturday
 
High of 80. Partly cloudy in the morning, with some clouds clearing, making it mostly sunny by the afternoon. Chance of precipitation will be 1%. Humidity 89% in the morning, lowering to 55% by the afternoon. Winds will be a light air, S-SW at 2-3 mph, gusting to a gentle breeze, 5-8 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: 3 days, 1 hour, 13 minutes
Server uptime: 3 days, 1 hour, 13 minutes
weewx v5.3.1

Today's Almanac
Sun
Start civil twilight: 05:27:26
Sunrise: 05:57:16
Transit: 13:04:24
Sunset: 20:12:01
End civil twilight: 20:41:56
Prev. Day Length:14:13:08
Curr. Day Length:14:14:45
Curr. Longer by:00:01:37
Azimuth: 37.7°
Altitude: -23.8°
Right ascension: 54.2°
Declination: 19.4°
Solstice: 06/21/26 01:24:31
Equinox: 09/22/26 17:05:09
Moon
Rise: 06:15:28
Transit: 14:04:11
Set: 21:58:40
Duration Seen:15:43
Azimuth: 27.3°
Altitude: -22.2°
Right ascension: 62.7°
Declination: 25.2°
Full moon: 05/31/26 01:45:07
New moon: 06/14/26 19:54:04
Phase: New
(1% full)
temperatures heatchill outside humidity rain wind barometer Hi Wind PM 2.5 Concentration Garage Wind Vector Radiation UV Index day rx percent