Saratoga, California (West Valley College Area)

Current Weather Conditions, Maps, and Forecasts

Wednesday April 30, 2025; 9:45AM

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
20 - GOOD

(Using 2024 US-EPA PM2.5 conversion)
Air quality is considered satisfactory, and air pollution poses little or no risk.
Outside Temperature 58.1°F
Wind Chill 58.1°F
Heat Index 57.4°F
Dew Point 52.0°F
Humidity 80%
Barometer 29.982 inHg
Barometer Trend (3 hours) 0.016 inHg
Wind 0 mph
Rain Rate 0.00 in/h
Garage Temperature 65.4°F
UV Index 1.7
ET 0.00 in
Radiation 553 W/m²
Using 2024 US-EPA PM2.5 conversion
Latest PM2.5 [AQI]3.6256 μg/m³ [20]
Latest PM10 [AQI]4 μg/m³ [4]

 

Since Midnight
High Temperature
Low Temperature
58.4°F at 09:42:38
50.0°F at 03:53:48
High Heat Index
Low Wind Chill
57.7°F at 09:42:38
50.0°F at 03:53:48
High Humidity
Low Humidity
92% at 03:53:54
80% at 09:43:16
High Dewpoint
Low Dewpoint
53.0°F at 09:32:42
47.5°F at 03:53:48
High Barometer
Low Barometer
29.996 inHg at 00:01:02
29.953 inHg at 06:12:02
Today's Rain 0.00 in
High Rain Rate 0.00 in/h at 00:00:03
High Wind 3 mph from 315° (NW) at 08:55:22
Average Wind 0 mph
RMS Wind 0 mph
Vector Average Speed
Vector Average Direction
0 mph
N/A
High Garage Temperature
Low Garage Temperature
74.2°F at 00:00:03
65.2°F at 09:09:00
High UV
Low UV
1.7 at 09:42:04
0.0 at 00:00:03
High ET
Low ET
0.00 in at 09:00:00
0.00 in at 00:05:00
High Radiation
Low Radiation
580 W/m² at 09:43:36
0 W/m² at 00:00:03
Using 2024 US-EPA PM2.5 conversion
High PM2.5 [AQI]

Low PM2.5 [AQI]
5.0624 μg/m³ [28]
 at 06:25:00
1.1662 μg/m³ [6]
 at 03:14:56
High PM10 [AQI]

Low PM10 [AQI]
8 μg/m³ [7]
 at 06:25:00
1 μg/m³ [1]
 at 03:54:57

 

Rain Year (1-Oct start)
Rain Year Total 18.12 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
Obtaining National Weather Service forecast

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
Wed, 30 Apr 2025 08:55:01 -0700 (PDT)

Click here for an official National Weather Service forecast! NWS Disclaimer
 
 
Wednesday
Becoming Sunny
Hi 80 °F
 Precp 4% 
Becoming
Sunny

Wednesday
Night
Mostly Clear
Lo 50 °F
 Precp 2% 
Mostly
Clear

 
Thursday
Mostly Sunny
Hi 77 °F
 Precp 1% 
Mostly
Sunny

Thursday
Night
Mostly Clear
Lo 48 °F
 Precp 0% 
Mostly
Clear

 
Friday
Mostly Sunny
Hi 73 °F
 Precp 0% 
Mostly
Sunny

Friday
Night
Mostly Cloudy
Lo 50 °F
 Precp 5% 
Mostly
Cloudy

 
Saturday
Partly Sunny
Hi 62 °F
 Precp 14% 
Partly
Sunny

Saturday
Night
Partly Cloudy
Lo 46 °F
 Precp 11% 
Partly
Cloudy

Wednesday
 
High of 80. Partly cloudy in the morning, with some clouds clearing, making it mostly sunny by the afternoon. Chance of precipitation is 4%. Humidity 80% in the morning, lowering to 48% by the afternoon. Winds are a light breeze, NNW-NE at 2-6 mph, gusting to a gentle breeze, 5-12 mph. Winds stronger in the afternoon.
Wednesday Night
 
Low of 50. Clear in the evening, with a few clouds later making it mostly clear after midnight. Chance of precipitation will be 2%. Humidity 52% in the evening, rising to 92% after midnight. Winds will be a light breeze, W-N at 1-6 mph, gusting to a gentle breeze, 3-10 mph. Winds weaker in the evening.
Thursday
 
High of 77. Mostly sunny in the morning, with any clouds clearing to become sunny by the afternoon. Chance of precipitation will be 1%. Humidity 89% in the morning, lowering to 49% by the afternoon. Winds will be a light breeze, S-WNW at 1-7 mph, gusting to a moderate breeze, 3-14 mph. Winds stronger in the afternoon.
Thursday Night
 
Low of 48. Clear in the evening, with a few clouds later making it mostly clear after midnight. Humidity 53% in the evening, rising to 86% after midnight. Winds will be a light breeze, W-WNW at 2-7 mph, gusting to a moderate breeze, 6-14 mph. Winds weaker in the evening.
Friday
 
High of 73. Partly cloudy in the morning, with some clouds clearing, making it mostly sunny by the afternoon. Humidity 89% in the morning, lowering to 52% by the afternoon. Winds will be a gentle breeze, W-WNW at 2-12 mph, gusting to a fresh breeze, 6-21 mph. Winds stronger in the afternoon.
Friday Night
 
Low of 50. Mostly clear in the evening, with overcast conditions arriving, becoming mostly cloudy after midnight. Chance of precipitation will be 5%. Humidity 57% in the evening, rising to 80% after midnight. Winds will be a moderate breeze, WNW at 8-13 mph, gusting to a fresh breeze, 16-23 mph.
Saturday
 
High of 62. Mostly cloudy in the morning, with a bit of the overcast clearing, becoming partly cloudy by the afternoon. Chance of precipitation will be 14%. Humidity 89% in the morning, lowering to 65% by the afternoon. Winds will be a moderate breeze, WNW at 9-15 mph, gusting to a strong breeze (small-craft advisory!), 18-28 mph.
Saturday Night
 
Low of 46. Mostly clear in the evening, with incoming clouds making it partly cloudy after midnight. Chance of precipitation will be 11%. Humidity 56% in the evening, rising to 77% after midnight. Winds will be a moderate breeze, WNW at 12-17 mph, gusting to a near gale (small-craft advisory!), 22-33 mph.
Sunday
 
High of 68. Partly cloudy through the day. Chance of precipitation will be 8%. Humidity 83% in the morning, lowering to 58% by the afternoon. Winds will be a gentle breeze, WNW at 7-10 mph, gusting to a moderate breeze, 14-18 mph.
Sunday Night
 
Low of 46. Mostly clear through the night. Chance of precipitation will be 4%. Humidity 47% in the evening, rising to 77% after midnight. Winds will be a gentle breeze, SW-WNW at 5-10 mph, gusting to a fresh breeze, 9-21 mph. Winds weaker in the evening.
Monday
 
High of 73. Mostly sunny through the day. Chance of precipitation will be 3%. Humidity 86% in the morning, lowering to 55% by the afternoon. Winds will be a light breeze, S-WNW at 3-6 mph, gusting to a moderate breeze, 7-13 mph.
Monday Night
 
Low of 48. Mostly clear through the night. Chance of precipitation will be 2%. Humidity 45% in the evening, rising to 77% after midnight. Winds will be a gentle breeze, SSW-W at 3-9 mph, gusting to a moderate breeze, 7-18 mph. Winds weaker in the evening.
Tuesday
 
High of 73. 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 63% by the afternoon. Winds will be a light breeze, S-SSW at 2-5 mph, gusting to a gentle breeze, 6-9 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, 7 hours, 10 minutes
Server uptime: 0 days, 7 hours, 10 minutes
weewx v5.1.0

Today's Almanac
Sun
Start civil twilight: 05:45:06
Sunrise: 06:13:34
Transit: 13:05:08
Sunset: 19:57:18
End civil twilight: 20:25:51
Prev. Day Length:13:41:41
Curr. Day Length:13:43:44
Curr. Longer by:00:02:03
Azimuth: 102.9°
Altitude: 40.6°
Right ascension: 38.2°
Declination: 15.0°
Solstice: 06/20/25 19:42:18
Equinox: 09/22/25 11:19:17
Moon
Rise: 08:12:58
Transit: 16:09:02
Set: 00:06:45
Duration Seen:15:54
Azimuth: 65.9°
Altitude: 14.4°
Right ascension: 80.9°
Declination: 27.7°
Full moon: 05/12/25 09:55:52
New moon: 05/26/25 20:02:17
Phase: Waxing crescent
(12% full)
temperatures heatchill outside humidity rain wind barometer Hi Wind PM 2.5 Concentration Garage Wind Vector Radiation UV Index day rx percent