Nearby locations
Castro Valley, California, United States
Cherryland, California, United States
Ashland, California, United States
Nearby popular places
Maderia Hill, United States
Carlos Bee Park, United States
Castro Valley Community Park, United States

Weather in Castro Valley, United States

33°
Cloudy
Feels like 28°
·
High50°Low31°
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Air quality

Full Details
0
53
500
Air quality:Moderate

Pollen index

Full Details
Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345

Tomorrow's weather summary

The weather in Castro Valley on Sunday, February 23rd, will be clear for most of the day.

Additionally, there will be few clouds before dawn, at about 12 am.

Weather information for Castro Valley, on Sunday, February 23rd:

The highest temperature of the day will be 68°F around 3 pm. The day will have comfortable humidity, with average humidity of 59%, ranging from 47% to a maximum value of 74% at about 8 pm. The wind will be light, and will get up to 5 mph at 2 pm, blowing from the north-west. The cloud coverage will range from 0% around 1 am to as high as 76% around 10 am with an average of 8%.

There is no probability for any precipitation throughout the day. The dew point will range from 33°F up to a maximum value of 54°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 1024 hPa. Sunrise will be at 6:33 am, and sunset at 5:46 pm, making it a total of 11 hours and 13 minutes of daylight.

Air quality forecast for Castro Valley, on Sunday, February 23rd:

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 29 and 68.

Pollen forecast for Castro Valley, on Sunday, February 23rd:

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 Monday, February 24th, is going to be clear for most of the day, with cloud overcast before dawn.

There is also a chance for some clouds before dawn at about 1 am.

Weather details for Castro Valley, on Monday, February 24th:

The maximum temperature of the day is going to be 70°F around 1 pm. The day will have high relative humidity, with average humidity of 69%, ranging from 51% to a maximum value of 90% at about 11 pm. The wind will be calm, and will get up to 5 mph at 10 pm, blowing from the north-west. The cloud coverage will range from 0% around 1 pm to as high as 100% around 6 am with an average of 41%.

There is no probability for any precipitation throughout the day. The dew point will range from 42°F up to a maximum value of 53°F around 7 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 6:32 am, and sunset at 5:46 pm, making it a total of 11 hours and 14 minutes of daylight.

Air quality forecast for Castro Valley, on Monday, February 24th:

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 27 and 68.

Pollen forecast for Castro Valley, on Monday, February 24th:

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.

FAQ

How warm does it get in Castro Valley?
The average annual highest temperature in Castro Valley is 29.5°C (85.1°F), and the July 26th is the hottest day on average.
How cold does it get in Castro Valley?
The average annual lowest temperature in Castro Valley is 2.6°C (36.7°F), and the December 25th is the coldest day on average.
Which month has the most rain in Castro Valley?
The wettest months in Castro Valley are February and January.