Forecast Summary
The next few hours will be clear, with today reaching 23°C and dropping to 9°C. The coming days will be drizzle until afternoon, returning overnight.
Current Weather
12°
Clear
Feels Like
21°
Min
10°
Max
23°
Compared to Yesterday
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Compare today's weather with yesterday's data and track temperature trends over time.
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Hourly Forecast
Weather forecast for the next 48 hours.
35%
27%
8%
14%
20%
23%
27%
32%
34%
36%
49%
63%
76%
79%
81%
84%
70%
56%
42%
35%
29%
UV Index
Wear sunscreen
Humidity
Current air moisture level
Daylight Hours
14 hours 1 minutes of sunlight today
06:03
Sunrise
20:05
Sunset
Daily Forecast
Weather forecast for the next 8 days.
Friday
Today
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
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.
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