Forecast Summary
The next few hours will be mostly clear, with today reaching 26°C and dropping to 11°C. The coming days will be hazy throughout the day.
Current Weather
15°
Partly Cloudy
Feels Like
15°
Min
14°
Max
26°
Compared to Yesterday
Unlock Historical Data
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Weather forecast for the next 48 hours.
UV Index
No protection needed
Humidity
Current air moisture level
Daylight Hours
11 hours 57 minutes of sunlight today
07:17
Sunrise
19:14
Sunset
Daily Forecast
Weather forecast for the next 8 days.
Today
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
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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