Castro Valley

Hawaii County, California, United States

Forecast Summary

The next few hours will be misty, with today reaching 23°C and dropping to 13°C. The coming days will be misty throughout the day.

Current Weather

11°

Foggy

Feels Like

13°

Min

13°

Max

23°

Compared to Yesterday

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Hourly Forecast

Weather forecast for the next 48 hours.

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Today
Tomorrow
Tuesday

UV Index

No protection needed

0 Low
Low Extreme

Humidity

Current air moisture level

89% Humid
Low High

Daylight Hours

13 hours 52 minutes of sunlight today

06:08

Sunrise

20:01

Sunset

Daily Forecast

Weather forecast for the next 8 days.

Today

13°
23°

Monday

13°
28°

Tuesday

14°
26°

Wednesday

14°
21°

Thursday

13°
22°

Friday

13°
24°

Saturday

13°
25°

Sunday

13°
26°

Air Quality Data Available

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Frequently asked questions about weather in Castro Valley

How warm does it get in Castro Valley?

The warmest month in Castro Valley is September, with average high temperatures of 26°C. The average temperature during this period is around 19°C.

How cold does it get in Castro Valley?

The coldest month in Castro Valley is December, with average low temperatures of 7°C. The average temperature during this period is around 10°C.

What is the wettest time of year in Castro Valley?

The wettest month in Castro Valley is January, with an average of 102mm of precipitation.

What is the driest time of year in Castro Valley?

The driest month in Castro Valley is August, with an average of 0mm of precipitation.

View full climate insights for Castro Valley →

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