Weather in Castro Valley, United States
Weather Advisories
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Tomorrow's weather summary
The weather in Castro Valley on Monday, November 18th, will vary throughout the day from snowy condition to partly cloudy, with light snow.
Looks like snow will emerge before dawn and there is a high chance for some clouds in the afternoon.
Weather information for Castro Valley, on Monday, November 18th:
The highest temperature of the day will be 38°F around 2 pm. The day will have very high relative humidity, with average humidity of 86%, ranging from 73% to a maximum value of 99% at about 11 pm. The wind will be breezy, and will get up to 10 mph at 1 am, blowing from the west. The cloud coverage will range from 19% around 5 pm to as high as 100% around 11 pm with an average of 90%.
The precipitation probability will change throughout the day between 0% and 65%. The highest chance for precipitation will be around 7 am and the lowest probability around midnight. The dew point will range from 27°F up to a maximum value of 31°F around 11 am.
The visibility is expected to be good with average visibility of 6 mi throughout the day. Atmospheric pressure will be high with average pressure of 1022 hPa. Sunrise will be at 6:59 am, and sunset at 4:53 pm, making it a total of 9 hours and 54 minutes of daylight.
Air quality forecast for Castro Valley, on Monday, November 18th:
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 35 and 39.
Pollen forecast for Castro Valley, on Monday, November 18th:
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 Tuesday, November 19th, will be cloudy for most of the day.
Also, there's a high chance of flurries before dawn, around 12 am.
Weather information for Castro Valley, on Tuesday, November 19th:
The highest temperature during the day is going to be 44°F at about 3 pm. The day will have very high relative humidity, with average humidity of 76%, ranging from 52% to a maximum value of 98% at about midnight. The wind will be breezy, and will get up to 11 mph at 4 pm, blowing from the south-east. The cloud coverage throughout the day will be around 100%.
The precipitation probability will change throughout the day between 0% and 80%. The highest chance for precipitation will be around 11 pm and the lowest probability around 5 am. The dew point will range from 26°F up to a maximum value of 32°F around 11 pm.
The visibility is expected to be good with average visibility of 8 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1014 hPa. Sunrise will be at 6:59 am, and sunset at 4:52 pm, making it a total of 9 hours and 53 minutes of daylight.
Air quality forecast for Castro Valley, on Tuesday, November 19th:
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 36 and 54.
Pollen forecast for Castro Valley, on Tuesday, November 19th:
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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