Weather in Castro Valley, United States
Weather Advisories
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Today's weather summary
The weather in Castro Valley on Friday, April 25th, is going to be cloudy throughout the day, with some clouds before dawn.
There is also a chance for few clouds in the early morning at about 5 am.
Weather information for Castro Valley, on Friday, April 25th:
The maximum temperature of the day will be 60°F at about 1 pm. The day will have high relative humidity, with average humidity of 67%, ranging from 49% to a maximum value of 80% at about 6 am. The wind will be breezy, and will get up to 15 mph at 1 am, blowing from the west. The cloud coverage will range from 2% around 6 am to as high as 100% around 11 pm with an average of 65%.
There is no probability for any precipitation throughout the day. The dew point will range from 39°F up to a maximum value of 42°F around 11 pm.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1013 hPa. Sunrise will be at 6:20 am, and sunset at 7:50 pm, making it a total of 13 hours and 30 minutes of daylight.
Air quality forecast for Castro Valley, on Friday, April 25th:
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 34 and 46.
Pollen forecast for Castro Valley, on Friday, April 25th:
Tree pollen on this day is expected to have low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.
The weather in Castro Valley on Saturday, April 26th, will be mostly clear for most of the day, with cloud overcast before dawn.
There's seems to be also high probability of some clouds in the early morning at about 5 am.
Weather information for Castro Valley, on Saturday, April 26th:
The highest temperature of the day will be 63°F at about 3 pm. The day will have very high relative humidity, with average humidity of 73%, ranging from 48% to a maximum value of 97% at about 6 am. The wind will be light, and will get up to 9 mph at 6 pm, blowing from the south-west. The cloud coverage will range from 0% around 9 am to as high as 100% around 11 pm with an average of 46%.
The chances of precipitation throughout the day will change between 0% and 30%. The highest chance for precipitation will be around 3 pm and the lowest probability around midnight. The dew point will range from 41°F up to a maximum value of 47°F around 11 pm.
The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1014 hPa. Sunrise will be at 6:19 am, and sunset at 7:51 pm. The day will have 13 hours and 32 minutes of daylight.
Air quality forecast for Castro Valley, on Saturday, April 26th:
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 30 and 46.
Pollen forecast for Castro Valley, on Saturday, April 26th:
Tree pollen on this day is expected to have low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.
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