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Castro Valley, CA

58° F
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Castro Valley, CA Weather
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Today

 Hourly Daily Radar MinuteCast Monthly Air Quality

Current Weather

4:18 AM

58°F
RealFeel® 58°
Air Quality Excellent
Wind SW 4 mph
Wind Gusts 8 mph
Cloudy More Details

Current Air Quality

11
AQI

Excellent

The air quality is ideal for most individuals; enjoy your normal outdoor activities.

Based on Current Pollutants

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Learn more at Plumb Labs Logo

Current Air Quality

Our current air quality index (AQI) provides information on the quality of air that you are breathing and its impact on your health. There are at least six different pollutants that we track that impact the cleanliness of air and your health.

Allergy Outlook
Tree Pollen Moderate
Grass Pollen Moderate
Ragweed Pollen Low
Mold Low
Dust & Dander Moderate
See Weekly Outlook

TODAY’S WEATHER FORECAST

8/5
70°Hi
RealFeel® 75°
Turning sunny; cool

TONIGHT’S WEATHER FORECAST

8/5
59°Lo
RealFeel® 59°
Partly cloudy

TOMORROW’S WEATHER FORECAST

8/6
83°/ 59°
RealFeel® 88°
Mostly sunny and warmer

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Castro Valley Weather Radar
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Weather Near Castro Valley:

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