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Castro Valley, CA

53° F
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Castro Valley, CA Weather
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Today

 Hourly Daily Radar MinuteCast Monthly Air Quality

Current Weather

8:43 PM

53°F
RealFeel® 50°
Air Quality Poor
Wind NE 7 mph
Wind Gusts 7 mph
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Current Air Quality

Today

1/23

73
AQI

Poor

The air has reached a high level of pollution and is unhealthy for sensitive groups. Reduce time spent outside if you are feeling symptoms such as difficulty breathing or throat irritation.

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 Low
Grass Pollen Low
Ragweed Pollen Low
Mold Low
Dust & Dander Moderate
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TONIGHT’S WEATHER FORECAST

1/23
40°Lo
RealFeel® 40°
Clear and chilly
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TOMORROW’S WEATHER FORECAST

1/24
63°/ 44°
RealFeel® 65°
Plenty of sun
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Castro Valley Weather Radar

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Castro Valley Weather Radar
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Castro Valley

Weather Near Castro Valley:

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  • Oakland, CA ;
  • San Francisco, CA ;
  • San Jose, CA
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