Contra Costa County Weather
Sunday, Oct 25, 2026
Sunny / Clear
Feels like 69°F
Humidity
42%
Wind Speed
2.7 mph
Precipitation
0 in
Pressure
1016 hPa
UV Index
0
Visibility
10 mi
Cloud Cover
0%
Dew Point
60°F
Air Quality (AQI)
Air quality is satisfactory, and air pollution poses little or no risk.
PM2.5
5.5 µg/m³
PM10
6.3 µg/m³
Sun & Moon Phase
Sunrise
6:00 AM
Sunset
8:00 PM
Moon Phase
Waxing Gibbous
Wind Conditions & Storm Tracking
Wind Direction
32.5° NNE
Sustained Wind
2.7 mph
Wind Gusts
2.7 mph
24-Hour Forecast
7-Day Forecast
Today
Oct 25
Mon
Oct 26
Tue
Oct 27
Wed
Oct 28
Thu
Oct 29
Fri
Oct 30
Sat
Oct 31
Extended Local Forecasts
Location View
Nearby Weather Radar Stations in California
More weather updates in California
Explore all weather stations, radar maps, and localized forecasts.
Safety & Environmental Index
| Metric | Value | Status / Interpretation |
|---|---|---|
| Air Quality (AQI) | 48 | Good |
| UV Index | 0 | Low Risk |
| Visibility | 10 miles | Clear |
Frequently Asked Questions
About Contra Costa County Climate & Weather
Weather forecast for Contra Costa 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.