Saratoga, California (West Valley College Area)

Current Weather Conditions, Maps, and Forecasts

Saturday October 18, 2025; 7:30PM

DISCLAIMER: This is a hobby page. As such, the reliability of this information is not guaranteed, or warranted 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
14 - GOOD

(Using 2024 US-EPA PM2.5 conversion)
Air quality is considered satisfactory, and air pollution poses little or no risk.
Outside Temperature 67.2°F
Wind Chill 67.2°F
Heat Index 66.8°F
Dew Point 55.9°F
Humidity 67%
Barometer 29.994 inHg
Barometer Trend (3 hours) 0.035 inHg
Wind 0 mph
Rain Rate 0.00 in/h
Garage Temperature 76.5°F
UV Index 0.0
ET 0.00 in
Radiation 0 W/m²
Using 2024 US-EPA PM2.5 conversion
Latest PM2.5 [AQI]2.6 μg/m³ [14]

 

Since Midnight
High Temperature
Low Temperature
81.5°F at 14:46:57
51.2°F at 07:20:44
High Heat Index
Low Wind Chill
81.5°F at 14:46:57
51.2°F at 07:20:44
High Humidity
Low Humidity
94% at 09:04:54
41% at 14:43:59
High Dewpoint
Low Dewpoint
58.0°F at 10:40:27
49.0°F at 07:20:44
High Barometer
Low Barometer
30.041 inHg at 10:32:04
29.958 inHg at 16:21:05
Today's Rain 0.00 in
High Rain Rate 0.00 in/h at 00:00:02
High Wind 3 mph from 336° (NNW) at 17:49:45
Average Wind 0 mph
RMS Wind 0 mph
Vector Average Speed
Vector Average Direction
0 mph
N/A
High Garage Temperature
Low Garage Temperature
76.5°F at 18:50:03
66.4°F at 08:22:02
High UV
Low UV
2.7 at 12:18:27
0.0 at 00:00:02
High ET
Low ET
0.02 in at 13:00:00
0.00 in at 00:05:00
High Radiation
Low Radiation
666 W/m² at 12:37:54
0 W/m² at 00:00:02

 

Rain Year (1-Oct start)
Rain Year Total 1.63 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, 18 Oct 2025 18:40:03 -0700 (PDT)

Click here for an official National Weather Service forecast! NWS Disclaimer
 
Saturday
Night
Clear
Lo 55 °F
 Precp 0% 
Clear
 
Sunday
Mostly Sunny
Hi 78 °F
 Precp 0% 
Mostly
Sunny

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

 
Monday
Sunny
Hi 82 °F
 Precp 0% 
Sunny
Monday
Night
Mostly Clear
Lo 57 °F
 Precp 0% 
Mostly
Clear

 
Tuesday
Sunny
Hi 82 °F
 Precp 0% 
Sunny
Tuesday
Night
Partly Cloudy
Lo 55 °F
 Precp 0% 
Partly
Cloudy

 
Wednesday
Mostly Sunny
Hi 75 °F
 Precp 1% 
Mostly
Sunny

Saturday Night
 
Low of 55. Clear through the night. Humidity 55% in the evening, rising to 74% after midnight. Winds are a gentle breeze, S-W at 2-8 mph, gusting to 2-9 mph. Winds weaker in the evening.
Sunday
 
High of 78. Mostly sunny in the morning, with any clouds clearing to become sunny by the afternoon. Humidity 72% in the morning, lowering to 50% by the afternoon. Winds will be a gentle breeze, N-NNE at 1-9 mph, gusting to 2-10 mph. Winds stronger in the afternoon.
Sunday Night
 
Low of 53. Mostly clear through the night. Humidity 58% in the evening, rising to 83% after midnight. Winds will be a gentle breeze, WNW-N at 1-10 mph, gusting to 3-12 mph.
Monday
 
High of 82. Mostly sunny in the morning, with any clouds clearing to become sunny by the afternoon. Humidity 87% in the morning, lowering to 39% by the afternoon. Winds will be a gentle breeze, WNW-NNW at 7-10 mph, gusting to 8-12 mph.
Monday Night
 
Low of 57. Clear in the evening, with a few clouds later making it mostly clear after midnight. Humidity 40% in the evening, rising to 62% after midnight. Winds will be a light breeze, NW-E at 2-7 mph, gusting to a gentle breeze, 3-8 mph. Winds weaker in the evening.
Tuesday
 
High of 82. Mostly sunny in the morning, with any clouds clearing to become sunny by the afternoon. Humidity 64% in the morning, lowering to 41% by the afternoon. Winds will be a light air, WNW-NE at 1-3 mph, gusting to a light breeze, 2-7 mph. Winds stronger in the afternoon.
Tuesday Night
 
Low of 55. Mostly clear in the evening, with incoming clouds making it partly cloudy after midnight. Humidity 44% in the evening, rising to 75% after midnight. Winds will be a light breeze, S-WNW at 2-5 mph, gusting to a gentle breeze, 3-8 mph. Winds weaker in the evening.
Wednesday
 
High of 75. Partly cloudy through the day. Chance of precipitation will be 1%. Humidity 86% in the morning, lowering to 72% by the afternoon. Winds will be a light air, S-SSW at 2-3 mph, gusting to a light breeze, 5-7 mph.
Wednesday Night
 
Low of 53. Mostly clear in the evening, with incoming clouds making it partly cloudy after midnight. Humidity 58% in the evening, rising to 84% after midnight. Winds will be a light breeze, W-WNW at 2-6 mph, gusting to a gentle breeze, 5-12 mph. Winds weaker in the evening.
Thursday
 
High of 75. Partly cloudy in the morning, with some clouds clearing, making it mostly sunny by the afternoon. Chance of precipitation will be 1%. Humidity 86% in the morning, lowering to 70% by the afternoon. Winds will be a light air, W-NW at 2 mph, gusting to a light breeze, 5-6 mph.
Thursday Night
 
Low of 53. Mostly clear in the evening, with incoming clouds making it partly cloudy after midnight. Chance of precipitation will be 1%. Humidity 56% in the evening, rising to 81% after midnight. Winds will be a light breeze, NW-NNW at 2-6 mph, gusting to a gentle breeze, 5-10 mph. Winds weaker in the evening.
Friday
 
High of 75. Partly cloudy through the day. Chance of precipitation will be 6%. Humidity 83% in the morning, lowering to 71% by the afternoon. Winds will be a light air, NW at 2-3 mph, gusting to a light breeze, 5-6 mph.
Friday Night
 
A chance of light rain, with a low of 57. Partly cloudy in the evening, with some increasing clouds, becoming mostly cloudy after midnight. Chance of precipitation will be 24%. Humidity 61% in the evening, rising to 83% after midnight. Winds will be a light breeze, WSW-NW at 3-6 mph, gusting to a gentle breeze, 7-12 mph.
Saturday
 
Light rain likely, with a high of 68. Mostly cloudy through the day. Chance of precipitation will be 49%. Humidity 90% in the morning, lowering to 87% by the afternoon. Winds will be a light breeze, SSE-S at 3-7 mph, gusting to a moderate breeze, 8-13 mph. Sustained 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, 23 hours, 31 minutes
Server uptime: 0 days, 23 hours, 31 minutes
weewx v5.1.0

Today's Almanac
Sun
Start civil twilight: 06:52:04
Sunrise: 07:18:55
Transit: 12:53:03
Sunset: 18:26:39
End civil twilight: 18:53:30
Prev. Day Length:11:10:00
Curr. Day Length:11:07:44
Curr. Shorter by:00:02:16
Azimuth: 267.5°
Altitude: -13.4°
Right ascension: 204.1°
Declination: -10.0°
Solstice: 12/21/25 07:02:51
Equinox: 03/20/26 07:45:53
Moon
Rise: 04:38:58
Transit: 10:58:17
Set: 17:07:58
Duration Seen:12:29
Azimuth: 292.0°
Altitude: -28.0°
Right ascension: 178.3°
Declination: -1.2°
New moon: 10/21/25 05:25:07
Full moon: 11/05/25 05:19:15
Phase: Waning crescent
(5% full)
temperatures heatchill outside humidity rain wind barometer Hi Wind PM 2.5 Concentration Garage Wind Vector Radiation UV Index day rx percent