Weather in Castro Valley, United States
Weather Advisories
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Today's weather summary
The weather in Castro Valley on Saturday, December 21st, will be cloudy throughout the day, together with clear skies in the early morning.
There's seems to be also high probability of few clouds before dawn around 1 am.
Weather details for Castro Valley, on Saturday, December 21st:
The highest temperature of the day will be 54°F at about 1 pm. The day will have comfortable humidity, with average humidity of 48%, ranging from 28% to a maximum value of 68% at about 5 pm. The wind will be breezy, and will get up to 12 mph at midnight, blowing from the south-east. The cloud coverage will range from 0% around 6 am to as high as 100% around 11 pm with an average of 64%.
There is no probability for any precipitation throughout the day. The dew point will range from 17°F up to a maximum value of 37°F around 4 pm.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be high with average pressure of 1021 hPa. Sunrise will be at 6:50 am, and sunset at 4:55 pm. The day will have 10 hours and 5 minutes of daylight.
Air quality forecast for Castro Valley, on Saturday, December 21st:
On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 23 and 41.
Pollen forecast for Castro Valley, on Saturday, December 21st:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
The weather in Castro Valley on Sunday, December 22nd, is going to be cloudy for most of the day.
Also, there's a high chance of many clouds around noon, at about 2 pm.
Weather information for Castro Valley, on Sunday, December 22nd:
The highest temperature of the day will be 54°F at about 1 pm. The day will have comfortable humidity, with average humidity of 59%, ranging from 44% to a maximum value of 80% at about 11 pm. The wind will be light, and will get up to 6 mph at 1 pm, blowing from the north-west. The cloud coverage will range from 25% around 2 am to as high as 100% around 11 pm with an average of 91%.
There is no probability for any precipitation throughout the day. The dew point will range from 26°F up to a maximum value of 37°F around 5 pm.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be high with average pressure of 1022 hPa. Sunrise will be at 6:50 am, and sunset at 4:56 pm. The day will have 10 hours and 6 minutes of daylight.
Air quality forecast for Castro Valley, on Sunday, December 22nd:
On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 20 and 34.
Pollen forecast for Castro Valley, on Sunday, December 22nd:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
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