Weather Castro Valley weekend

Weather forecast for Castro Valley for this and next weekend.

/ °F

in

mph

HOURLY

Interactive map weather California, USA

GPS: 37.6941; -122.0864

altitude: 160 ft
local time:

PLACES IN THE AREA

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Weather forecast Castro Valley, California, USA extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Monday 12/29/2025
2 AM 5 AM	clear	43 °F 39 °F	0.0 in	13 fps 9 mph northeast	30.3 in	82 %	37 °F	0 %	0%	0%	0%	0%
3 AM 6 AM	clear	43 °F 39 °F	0.0 in	13 fps 9 mph east-northeast	30.3 in	82 %	37 °F	0 %	0%	0%	0%	0%
4 AM 7 AM	clear	43 °F 39 °F	0.0 in	13 fps 9 mph northeast	30.3 in	82 %	37 °F	0 %	0%	0%	0%	0%
5 AM 8 AM	clear	43 °F 39 °F	0.0 in	13 fps 9 mph east-northeast	30.3 in	79 %	36 °F	2 %	0%	0%	0%	2%
6 AM 9 AM	clear	43 °F 37 °F	0.0 in	14 fps 9 mph east-northeast	30.3 in	75 %	34 °F	0 %	0%	0%	0%	0%
7 AM 10 AM	clear	41 °F 36 °F	0.0 in	11 fps 7 mph east-northeast	30.3 in	73 %	32 °F	0 %	0%	0%	0%	0%
8 AM 11 AM	clear	41 °F 37 °F	0.0 in	9 fps 6 mph east-northeast	30.3 in	73 %	32 °F	0 %	0%	0%	0%	0%
9 AM 12 PM	clear	45 °F 41 °F	0.0 in	10 fps 7 mph east-northeast	30.3 in	70 %	34 °F	0 %	0%	0%	0%	0%
10 AM 1 PM	clear	50 °F 46 °F	0.0 in	10 fps 6 mph east-northeast	30.3 in	64 %	37 °F	0 %	0%	0%	0%	0%
11 AM 2 PM	clear	54 °F 50 °F	0.0 in	10 fps 7 mph east	30.3 in	56 %	37 °F	0 %	0%	0%	0%	0%
12 PM 3 PM	clear	55 °F 52 °F	0.0 in	9 fps 6 mph east	30.3 in	52 %	37 °F	0 %	0%	0%	0%	0%
1 PM 4 PM	clear	57 °F 54 °F	0.0 in	9 fps 6 mph east-northeast	30.2 in	49 %	37 °F	0 %	0%	0%	0%	0%
2 PM 5 PM	clear	59 °F 55 °F	0.0 in	9 fps 6 mph northeast	30.2 in	47 %	37 °F	0 %	0%	0%	0%	0%
3 PM 6 PM	clear	57 °F 54 °F	0.0 in	8 fps 6 mph northeast	30.2 in	47 %	37 °F	0 %	0%	0%	0%	0%
4 PM 7 PM	clear	55 °F 52 °F	0.0 in	6 fps 4 mph east-northeast	30.2 in	57 %	41 °F	0 %	0%	0%	0%	0%
5 PM 8 PM	clear	50 °F 46 °F	0.0 in	5 fps 4 mph east-northeast	30.2 in	66 %	39 °F	0 %	0%	0%	0%	0%
6 PM 9 PM	clear	46 °F 43 °F	0.0 in	5 fps 4 mph northeast	30.2 in	77 %	39 °F	0 %	0%	0%	0%	0%
7 PM 10 PM	clear	43 °F 39 °F	0.0 in	6 fps 4 mph northeast	30.2 in	85 %	39 °F	0 %	0%	0%	0%	0%
8 PM 11 PM	clear	41 °F 37 °F	0.0 in	7 fps 4 mph northeast	30.2 in	85 %	37 °F	0 %	0%	0%	0%	0%
9 PM 12 AM	clear	41 °F 37 °F	0.0 in	7 fps 5 mph northeast	30.2 in	84 %	36 °F	0 %	0%	0%	0%	0%
10 PM 1 AM	clear	39 °F 36 °F	0.0 in	7 fps 4 mph northeast	30.2 in	84 %	34 °F	0 %	0%	0%	0%	0%
11 PM 2 AM	clear	39 °F 36 °F	0.0 in	6 fps 4 mph northeast	30.2 in	85 %	34 °F	0 %	0%	0%	0%	0%
Tuesday 12/30/2025
12 AM 3 AM	clear	37 °F 34 °F	0.0 in	6 fps 4 mph northeast	30.2 in	86 %	34 °F	0 %	0%	0%	0%	0%
1 AM 4 AM	clear	37 °F 34 °F	0.0 in	6 fps 4 mph northeast	30.2 in	88 %	34 °F	0 %	0%	0%	0%	0%
2 AM 5 AM	clear	37 °F 34 °F	0.0 in	6 fps 4 mph northeast	30.2 in	89 %	34 °F	0 %	0%	0%	0%	0%
3 AM 6 AM	clear	37 °F 34 °F	0.0 in	7 fps 4 mph northeast	30.2 in	87 %	34 °F	0 %	0%	0%	0%	0%
4 AM 7 AM	clear	39 °F 36 °F	0.0 in	7 fps 5 mph northeast	30.2 in	86 %	34 °F	0 %	0%	0%	0%	0%
5 AM 8 AM	clear	39 °F 36 °F	0.0 in	7 fps 4 mph east-northeast	30.2 in	86 %	34 °F	0 %	0%	0%	0%	0%
6 AM 9 AM	partly cloudy	39 °F 36 °F	0.0 in	8 fps 5 mph northeast	30.2 in	86 %	34 °F	32 %	0%	0%	0%	32%
7 AM 10 AM	cloudy	39 °F 36 °F	0.0 in	8 fps 5 mph northeast	30.2 in	86 %	34 °F	100 %	0%	0%	0%	100%
8 AM 11 AM	cloudy	39 °F 36 °F	0.0 in	10 fps 7 mph northeast	30.2 in	88 %	36 °F	99 %	0%	1%	0%	99%
9 AM 12 PM	cloudy	43 °F 39 °F	0.0 in	9 fps 6 mph northeast	30.2 in	83 %	37 °F	93 %	0%	1%	0%	93%
10 AM 1 PM	cloudy	48 °F 45 °F	0.0 in	8 fps 5 mph northeast	30.2 in	78 %	41 °F	100 %	0%	0%	0%	100%
11 AM 2 PM	cloudy	52 °F 50 °F	0.0 in	10 fps 7 mph east-northeast	30.2 in	74 %	43 °F	98 %	0%	2%	0%	98%
12 PM 3 PM	cloudy	55 °F 54 °F	0.0 in	11 fps 7 mph east-northeast	30.2 in	70 %	45 °F	100 %	0%	3%	0%	100%
1 PM 4 PM	cloudy	55 °F 54 °F	0.0 in	12 fps 9 mph east-northeast	30.2 in	68 %	45 °F	100 %	0%	3%	0%	100%
2 PM 5 PM	overcast	55 °F 54 °F	0.0 in	13 fps 9 mph east-northeast	30.1 in	67 %	45 °F	100 %	0%	3%	100%	99%
3 PM 6 PM	overcast	54 °F 50 °F	0.0 in	13 fps 9 mph east-northeast	30.1 in	69 %	43 °F	100 %	0%	0%	91%	100%
4 PM 7 PM	overcast	52 °F 48 °F	0.0 in	10 fps 7 mph east-northeast	30.1 in	66 %	41 °F	100 %	0%	0%	99%	100%
5 PM 8 PM	overcast	52 °F 48 °F	0.0 in	8 fps 6 mph east-northeast	30.1 in	69 %	41 °F	100 %	0%	0%	77%	100%
6 PM 9 PM	overcast	50 °F 48 °F	0.0 in	8 fps 5 mph east-northeast	30.1 in	75 %	41 °F	100 %	0%	0%	40%	100%
7 PM 10 PM	overcast	48 °F 45 °F	0.0 in	8 fps 6 mph northeast	30.1 in	78 %	41 °F	100 %	0%	0%	53%	100%
8 PM 11 PM	overcast	46 °F 43 °F	0.0 in	8 fps 6 mph east-northeast	30.1 in	80 %	39 °F	100 %	0%	0%	45%	100%
9 PM 12 AM	overcast	46 °F 43 °F	0.0 in	8 fps 6 mph east-northeast	30.1 in	79 %	39 °F	100 %	0%	0%	50%	100%
10 PM 1 AM	overcast	46 °F 43 °F	0.0 in	8 fps 6 mph east-northeast	30.1 in	78 %	39 °F	100 %	0%	0%	14%	100%
11 PM 2 AM	overcast	46 °F 43 °F	0.0 in	8 fps 5 mph northeast	30.1 in	79 %	39 °F	100 %	0%	0%	58%	100%

Castro Valley, California, USA - information

State: California, USA

GPS coordinates: 37.6941; -122.0864

Time zone: America / Los Angeles time difference in hours with time in NY is -9 hours

Population: 61 388
Altitude: 160 ft
The administrative part:

California, Sacramento
Alameda County, Oakland

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Weather forecast for Castro Valley is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

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To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

Weather Castro Valley weekend

Interactive map weather California, USA

Weather forecast Castro Valley, California, USA extended forecast

Monday 12/29/2025

Tuesday 12/30/2025

Castro Valley, California, USA - information

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