Weather by town
Castro Valley, CA weather
Castro Valley is in Alameda County, California (population 61,388). This page shows the radar around Castro Valley, the weather there right now, the next 24 hours and 10 days, any warning or advisory that covers it, and what our severe storm outlook, snow forecast and Nice Weather rankings say for it.
Nice Weather for Castro Valley
Tuesday, November 10: 82 out of 100, Nice, #479 of 1,223 towns in California. California's Nice Weather rankings
Towns near Castro Valley
- Cherryland, CA, 1 mile southwest
- Ashland, CA, 2 miles west
- Hayward, CA, 2 miles south
- Fairview, CA, 3 miles southeast
- Longwood - Winton Grove, CA, 3 miles southwest
- San Lorenzo, CA, 3 miles southwest
School districts near Castro Valley
Snow Day Radar: Your school's chance of a snow day, delay, or virtual day, for every public school district in the lower 48. Odds, not announcements.
- Castro Valley Unified School District
- San Lorenzo Unified School District
- Hayward Unified School District
School closings and delays in Alameda County, when they are listed, are on School Closings.
Castro Valley sits at 37.69° N, 122.09° W. This page adds context to official forecasts. Always follow warnings from the National Weather Service and your local officials.