Weather in Castro Valley, United States
Weather Advisories
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Tomorrow's weather summary
The weather in Castro Valley on Friday, April 4th, will be clear throughout the day, together with light fog before dawn.
There's seems to be also high probability of some clouds before dawn at about 12 am.
Weather information for Castro Valley, on Friday, April 4th:
The highest temperature during the day is going to be 38°F around 5 pm. The day will have high relative humidity, with average humidity of 65%, ranging from 39% to a maximum value of 88% at about 6 am. The wind will be breezy, and will get up to 14 mph at 11 am, blowing from the east. The cloud coverage will range from 0% around 9 am to as high as 55% around 2 am with an average of 16%.
There is no probability for any precipitation throughout the day. The dew point will range from 16°F up to a maximum value of 22°F around 9 pm.
The visibility is expected to be good with average visibility of 7 mi throughout the day. Atmospheric pressure will be high with average pressure of 1023 hPa. Sunrise will be at 6:39 am, and sunset at 7:26 pm. The day will have 12 hours and 47 minutes of daylight.
Air quality forecast for Castro Valley, on Friday, April 4th:
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 46 and 53.
Pollen forecast for Castro Valley, on Friday, April 4th:
Tree pollen on this day is expected to have medium 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 Saturday, April 5th, will be clear throughout the day.
Also, there's a high chance of few clouds during the morning, at about 10 am.
Weather information for Castro Valley, on Saturday, April 5th:
The maximum temperature during the day will be 44°F around 5 pm. The day will have comfortable humidity, with average humidity of 52%, ranging from 32% to a maximum value of 70% at about 7 am. The wind will be breezy, and will get up to 13 mph at 1 am, blowing from the east. The cloud coverage will range from 0% around midnight to as high as 19% around 11 am with an average of 2%.
There is no probability for any precipitation throughout the day. The dew point will range from 16°F up to a maximum value of 20°F around 8 pm.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be very high with average pressure of 1028 hPa. Sunrise will be at 6:38 am, and sunset at 7:27 pm, making it a total of 12 hours and 49 minutes of daylight.
Air quality forecast for Castro Valley, on Saturday, April 5th:
On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 49 and 55.
Pollen forecast for Castro Valley, on Saturday, April 5th:
Tree pollen on this day is expected to have medium 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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