Weather forecast for 10 days
Castro Valley, CA

On Saturday, December 7, the sky will be clouded.
The maximum temperature will be a comfortable 64.4°F (18°C), while the minimum temperature will be a chilly 44.6°F (7°C).
The highest temperature will be higher and more in line with November's average maximum of 63.5°F (17.5°C) than the average maximum of 55.9°F (13.3°C) in December.
Sunrise will be at 7:09 am and sunset at 4:50 pm; the daylight will last for 9h and 41min.

On Sunday, in Castro Valley, primarily bright and sunny weather is anticipated.
Temperatures will oscillate between a comfortable 66.2°F (19°C) at their highest and a cold 41°F (5°C) at their lowest.
The maximum temperature of 66.2°F (19°C) will be more in line with November's average highest temperature of 63.5°F (17.5°C) than December's of 55.9°F (13.3°C).
Sunrise will be at 7:10 am and sunset at 4:51 pm; the daylight will last for 9h and 41min.

For the next ten days, a combination of sunny and cloudy weather is forecasted.
With a 24% probability, rainfall is expected only on next Friday. Anticipated precipitation will be minimal at 0.04" (1mm).
In the upcoming days, the highest temperature will vary between 60.8°F (16°C) and 68°F (20°C), while the lowest temperature will vary between 41°F (5°C) and 48.2°F (9°C).
The warmest days in Castro Valley will be Wednesday and Friday, with a maximum of 68°F (20°C); next Friday will be the coldest day, with the highest temperature of 60.8°F (16°C).

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December is the coldest month in Castro Valley, with an average high-temperature of 55.9°F (13.3°C) and an average low-temperature of 43.7°F (6.5°C).