Need precision hour-by-hour weather for Santa Clara County? Our Hourly Weather Tracker provides real-time hourly temperature shifts, wind speeds, humidity levels, and exact rain probability curves.
Santa Clara County Hourly Weather Tracker
Wednesday, Oct 21, 2026
Nighttime
64°F
Partly Cloudy
Feels like 64°F
Humidity
54%
Wind Speed
2.2 mph
Precipitation
0 in
Pressure
1011 hPa
UV Index
0
Visibility
10 mi
Cloud Cover
97%
Dew Point
55°F
Detailed 48-Hour Tracker
Air Quality (AQI)
57Moderate
Air quality is acceptable. However, there may be a risk for some people.
PM2.5
12.6 µg/m³
PM10
16.1 µg/m³
Sun & Moon Phase
Sunrise
6:00 AM
Sunset
8:00 PM
Moon Phase
Waxing Gibbous
7-Day Overview
Extended Local Forecasts
Location View
Santa Clara County · 37.28°N, 121.91°W
Coordinates37.2843°N, 121.9148°W
Elevationm
TimezoneAmerica/New_York
Nearby Cities in California
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Safety & Environmental Index
| Metric | Value | Status / Interpretation |
|---|---|---|
| Air Quality (AQI) | 57 | Moderate |
| UV Index | 0 | Low Risk |
| Visibility | 10 miles | Clear |
Frequently Asked Questions
Our hourly forecast provides hour-by-hour updates on temperature, wind speed, and rain probability in Santa Clara County to help you plan your day with precision.
About Santa Clara County Climate & Weather
Weather forecast for Santa Clara County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.
Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.