New York, NY 66° Los Angeles, CA 70° 🌤️ Chicago, IL Houston, TX 76° 🌤️ Miami, FL 🌤️ Phoenix, AZ 🌤️ Seattle, WA Denver, CO 69° 🌤️ Toronto, ON 🌤️ Vancouver, BC
WeatherLiveCaliforniaCastro ValleyWeekend Forecast

Castro Valley, CA Weekend Forecast

← Castro Valley, CA

Weekend weather — Castro Valley, CA

How Saturday and Sunday are shaping up (Sat, Aug 29 →). For hour-by-hour timing, open the hourly page.

Saturday

Sat, Aug 29
74° 53°
Sunny
Precip chance
6%
Precip
Wind
9 mph
UV index
6

Sunday

Sun, Aug 30
68° 53°
Partly cloudy
Precip chance
11%
Precip
Wind
10 mph
UV index
5
📅 Both days look similar. Hour by hour →
More forecasts
Today
Current conditions + details
Hourly
48h
10-Day
Day by day
Monthly
30 days
Weekend read
This weekend in Castro Valley: Saturday reaches 74° with a 6% chance of rain, Sunday 68° at 11%. If you can only get outside for one of them, Saturday is the better bet.
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 6:07 AM