Saratoga, California (West Valley College Area)

Current Weather Conditions, Maps, and Forecasts

Friday April 17, 2026; 6:15PM

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
21 - GOOD

(Using 2024 US-EPA PM2.5 conversion)
Air quality is considered satisfactory, and air pollution poses little or no risk.
Outside Temperature 72.3°F
Wind Chill 72.3°F
Heat Index 70.5°F
Dew Point 37.4°F
Humidity 28%
Barometer 30.003 inHg
Barometer Trend (3 hours) -0.032 inHg
Wind 0 mph
Rain Rate 0.00 in/h
Garage Temperature 74.0°F
UV Index 0.0
ET 0.00 in
Radiation 227 W/m²
Using 2024 US-EPA PM2.5 conversion
Latest PM2.5 [AQI]3.8 μg/m³ [21]

 

Since Midnight
High Temperature
Low Temperature
76.1°F at 16:50:13
47.3°F at 06:52:28
High Heat Index
Low Wind Chill
74.5°F at 16:50:13
47.0°F at 07:05:40
High Humidity
Low Humidity
54% at 05:55:03
19% at 15:38:25
High Dewpoint
Low Dewpoint
39.3°F at 17:30:43
25.2°F at 08:21:06
High Barometer
Low Barometer
30.081 inHg at 11:48:03
29.995 inHg at 17:36:03
Today's Rain 0.00 in
High Rain Rate 0.00 in/h at 00:00:05
High Wind 11 mph from 286° (WNW) at 12:26:33
Average Wind 0 mph
RMS Wind 0 mph
Vector Average Speed
Vector Average Direction
0 mph
331°
High Garage Temperature
Low Garage Temperature
74.0°F at 18:09:01
63.6°F at 07:51:00
High UV
Low UV
4.1 at 12:36:09
0.0 at 00:00:05
High ET
Low ET
0.02 in at 13:00:00
0.00 in at 00:05:00
High Radiation
Low Radiation
928 W/m² at 12:57:21
0 W/m² at 00:00:05

 

Rain Year (1-Oct start)
Rain Year Total 18.43 in

 

Local Radar Loop
Local Radar

Click image for a larger image

 

Regional Radar Loop
Regional Radar

Click image for a larger image

 

Hazard Map (from the NWS)
Regional Hazard Map

Click map for more details

 

Current Weather Outlook
Current Weather Outlook

Click map for a larger image

 

Low Temperature Outlook
Low Temperature Outlook

Click map for a larger image

 

High Temperature Outlook
High Temperature Outlook

Click map for a larger image

 

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
Fri, 17 Apr 2026 17:45:02 -0700 (PDT)

Click here for an official National Weather Service forecast! NWS Disclaimer
 
Friday
Night
Partly Cloudy
Lo 46 °F
 Precp 0% 
Partly
Cloudy

 
Saturday
Partly Sunny
Hi 80 °F
 Precp 0% 
Partly
Sunny

Saturday
Night
Mostly Cloudy
Lo 50 °F
 Precp 0% 
Mostly
Cloudy

 
Sunday
Partly Sunny
Hi 75 °F
 Precp 1% 
Partly
Sunny

Sunday
Night
Mostly Cloudy
Lo 48 °F
 Precp 12% 
Mostly
Cloudy

 
Monday
A chance of light rain
Hi 71 °F
 Precp 47% 
Chance
Rain

Monday
Night
Light rain certain
Lo 50 °F
 Precp 66% 
Rain
 
Tuesday
Light rain showers likely, with a slight chance of thunderstorms
Hi 66 °F
 Precp 75% 
Rain
Showers
Likely

Friday Night
 
Low of 46. Mostly clear in the evening, with incoming clouds making it partly cloudy after midnight. Humidity 23% in the evening, rising to 68% after midnight. Winds are a light breeze, NNW-SSE at 1-7 mph, gusting to a moderate breeze, 2-14 mph. Winds weaker in the evening.
Saturday
 
High of 80. Partly cloudy through the day. Humidity 71% in the morning, lowering to 30% by the afternoon. Winds will be a light breeze, W-NE at 1-6 mph, gusting to a gentle breeze, 2-12 mph. Winds stronger in the afternoon.
Saturday Night
 
Low of 50. Partly cloudy through the night. Humidity 34% in the evening, rising to 76% after midnight. Winds will be a light breeze, SSW-WNW at 1-5 mph, gusting to a gentle breeze, 1-10 mph. Winds weaker in the evening.
Sunday
 
High of 75. Mostly cloudy in the morning, with a bit of the overcast clearing, becoming partly cloudy by the afternoon. Chance of precipitation will be 1%. Humidity 80% in the morning, lowering to 35% by the afternoon. Winds will be a light breeze, S-SW at 1-7 mph, gusting to a moderate breeze, 1-15 mph. Winds stronger in the afternoon.
Sunday Night
 
Low of 48. Partly cloudy through the night. Chance of precipitation will be 12%. Humidity 34% in the evening, rising to 80% after midnight. Winds will be a gentle breeze, SSE-SW at 3-8 mph, gusting to a moderate breeze, 8-16 mph. Winds weaker in the evening.
Monday
 
A chance of light rain, with a high of 71. Partly cloudy through the day. Expecting approximately 0.09 inches of rain, mostly in the afternoon. Chance of precipitation will be 47%. Humidity 79% in the morning, lowering to 57% by the afternoon. Winds will be a gentle breeze, SSE-SSW at 5-10 mph, gusting to a fresh breeze, 10-21 mph. Winds stronger in the afternoon.
Monday Night
 
Light rain certain, with a low of 50. Partly cloudy in the evening, with some increasing clouds, becoming mostly cloudy after midnight. Chance of precipitation will be 66%. Humidity 58% in the evening, rising to 83% after midnight. Winds will be a gentle breeze, S-SSW at 6-9 mph, gusting to a fresh breeze, 12-20 mph.
Tuesday
 
Light rain showers likely, with a slight chance of thunderstorms, with a high of 66. Mostly cloudy through the day. Chance of precipitation will be 75%. Humidity 93% in the morning, lowering to 77% by the afternoon. Winds will be a gentle breeze, SSE-S at 3-8 mph, gusting to a moderate breeze, 9-18 mph. Winds stronger in the afternoon.
Tuesday Night
 
A chance of light rain, with a low of 48. Partly cloudy through the night. Chance of precipitation will be 36%. Humidity 65% in the evening, rising to 86% after midnight. Winds will be a gentle breeze, SW at 6-10 mph, gusting to a fresh breeze, 13-21 mph.
Wednesday
 
A slight chance of light rain, with a high of 66. Partly cloudy through the day. Chance of precipitation will be 22%. Humidity 92% in the morning, lowering to 74% by the afternoon. Winds will be a light breeze, S-WSW at 3-7 mph, gusting to a moderate breeze, 9-15 mph. Sustained winds stronger in the afternoon.
Wednesday Night
 
Low of 48. Mostly clear through the night. Chance of precipitation will be 4%. Humidity 57% in the evening, rising to 86% after midnight. Winds will be a gentle breeze, WNW at 5-10 mph, gusting to a moderate breeze, 10-18 mph. Sustained winds stronger in the evening.
Thursday
 
High of 69. Partly cloudy in the morning, with some clouds clearing, making it mostly sunny by the afternoon. Chance of precipitation will be 4%. Humidity 92% in the morning, lowering to 64% by the afternoon. Winds will be a light breeze, WNW-NW at 2-6 mph, gusting to a moderate breeze, 6-13 mph. Winds stronger in the afternoon.
Thursday Night
 
Low of 46. Mostly clear through the night. Chance of precipitation will be 1%. Humidity 47% in the evening, rising to 80% after midnight. Winds will be a gentle breeze, WNW at 5-10 mph, gusting to a fresh breeze, 10-20 mph. Sustained winds stronger in the evening.
Friday
 
High of 71. Partly cloudy in the morning, with some clouds clearing, making it mostly sunny by the afternoon. Chance of precipitation will be 3%. Humidity 93% in the morning, lowering to 63% by the afternoon. Winds will be a light breeze, WNW-NW at 2-5 mph, gusting to a gentle breeze, 5-9 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: 6 days, 22 hours, 13 minutes
Server uptime: 6 days, 22 hours, 13 minutes
weewx v5.3.1

Today's Almanac
Sun
Start civil twilight: 06:02:43
Sunrise: 06:30:17
Transit: 13:07:28
Sunset: 19:45:17
End civil twilight: 20:12:55
Prev. Day Length:13:12:45
Curr. Day Length:13:15:00
Curr. Longer by:00:02:15
Azimuth: 270.8°
Altitude: 16.9°
Right ascension: 26.0°
Declination: 10.8°
Solstice: 06/21/26 01:24:31
Equinox: 09/22/26 17:05:09
Moon
Rise: 06:19:54
Transit: 13:20:06
Set: 20:32:51
Duration Seen:14:13
Azimuth: 273.3°
Altitude: 24.5°
Right ascension: 31.1°
Declination: 17.0°
Full moon: 05/01/26 10:23:06
New moon: 05/16/26 13:00:58
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