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

18°
Clear
Feels like 19°
·
High22°Low14°
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Air quality

Full Details
0
24
500
Air quality:Good

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 Saturday, July 25th, is going to be clear throughout the day, together with cloud overcast before dawn.

There's seems to be also high probability of many clouds in the early morning around 5 am.

Weather details for Castro Valley, on Saturday, July 25th:

The maximum temperature during the day will be 22°C around 2 pm. The day will have very high relative humidity, with average humidity of 78%, ranging from 58% to a maximum value of 93% at about 6 am. The wind will be breezy, and will get up to 20 km/h at 4 pm, blowing from the west. The cloud coverage will range from 6% around 6 pm to as high as 100% around midnight with an average of 40%.

There is no probability for any precipitation throughout the day. The dew point will range from 12°C up to a maximum value of 14°C around midnight.

The visibility is expected to be good with average visibility of 15 km throughout the day. Atmospheric pressure will be normal with average pressure of 1016 hPa. Sunrise will be at 6:06 am, and sunset at 8:23 pm, making it a total of 14 hours and 17 minutes of daylight.

Air quality forecast for Castro Valley, on Saturday, July 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 30 and 56.

Pollen forecast for Castro Valley, on Saturday, July 25th:

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, July 26th, is going to be cloudy for most of the day, with clear skies in the afternoon.

There's seems to be also high probability of fog in the early morning around 7 am.

Weather information for Castro Valley, on Sunday, July 26th:

The highest temperature of the day will be 20°C at about 3 pm. The day will have very high relative humidity, with average humidity of 85%, ranging from 67% to a maximum value of 99% at about 8 am. The wind will be breezy, and will get up to 19 km/h at 3 pm, blowing from the west. The cloud coverage will range from 1% around 6 pm to as high as 100% around 10 am with an average of 61%.

There is no probability for any precipitation throughout the day. The dew point will range from 12°C up to a maximum value of 13°C around midnight.

The visibility is expected to be good with average visibility of 13 km throughout the day. Atmospheric pressure will be normal with average pressure of 1017 hPa. Sunrise will be at 6:07 am, and sunset at 8:22 pm. The day will have 14 hours and 15 minutes of daylight.

Air quality forecast for Castro Valley, on Sunday, July 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 31 and 53.

Pollen forecast for Castro Valley, on Sunday, July 26th:

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.