Hourly Weather Forecast - Castro Valley, CA

12 AM
53°F
10%
9mph
SW
Partly Cloudy
Humidity
78%
Feels like
53°F
Dew Point
46°F
1 AM
53°F
10%
9mph
SW
Mostly Cloudy
Humidity
78%
Feels like
53°F
Dew Point
46°F
2 AM
53°F
10%
9mph
SW
Mostly Cloudy
Humidity
78%
Feels like
53°F
Dew Point
46°F
3 AM
53°F
10%
9mph
SW
Mostly Cloudy
Humidity
79%
Feels like
53°F
Dew Point
47°F
4 AM
53°F
10%
9mph
SSW
Mostly Cloudy
Humidity
79%
Feels like
53°F
Dew Point
47°F
5 AM
53°F
10%
8mph
SSW
Mostly Cloudy
Humidity
80%
Feels like
53°F
Dew Point
47°F
6 AM
53°F
20%
8mph
SSW
Mostly Cloudy
Humidity
77%
Feels like
53°F
Dew Point
46°F
6:18 AM
7 AM
53°F
20%
8mph
SSW
Mostly Cloudy
Humidity
75%
Feels like
53°F
Dew Point
46°F
8 AM
54°F
20%
9mph
SSW
Mostly Cloudy
Humidity
73%
Feels like
54°F
Dew Point
46°F
9 AM
56°F
20%
9mph
SSW
Cloudy
Humidity
70%
Feels like
56°F
Dew Point
46°F
10 AM
57°F
20%
9mph
SW
Cloudy
Humidity
67%
Feels like
57°F
Dew Point
47°F
11 AM
59°F
20%
9mph
SW
Cloudy
Humidity
63%
Feels like
59°F
Dew Point
47°F
12 PM
61°F
20%
10mph
SW
Mostly Cloudy
Humidity
61%
Feels like
61°F
Dew Point
47°F
1 PM
62°F
20%
10mph
WSW
Mostly Cloudy
Humidity
59%
Feels like
62°F
Dew Point
48°F
2 PM
63°F
20%
11mph
WSW
Partly Cloudy
Humidity
59%
Feels like
63°F
Dew Point
49°F
3 PM
63°F
20%
12mph
WSW
Partly Cloudy
Humidity
59%
Feels like
63°F
Dew Point
49°F
4 PM
62°F
10%
12mph
WSW
Partly Cloudy
Humidity
61%
Feels like
62°F
Dew Point
49°F
5 PM
61°F
10%
13mph
W
Partly Cloudy
Humidity
65%
Feels like
61°F
Dew Point
49°F
6 PM
58°F
10%
12mph
W
Partly Cloudy
Humidity
68%
Feels like
58°F
Dew Point
48°F
7 PM
56°F
10%
11mph
W
Partly Cloudy
Humidity
72%
Feels like
56°F
Dew Point
47°F
7:53 PM
8 PM
54°F
10%
10mph
W
Partly Cloudy
Humidity
76%
Feels like
54°F
Dew Point
46°F
9 PM
53°F
10%
9mph
WSW
Partly Cloudy
Humidity
79%
Feels like
53°F
Dew Point
46°F

Tuesday's Weather Outlook

Tuesday's Weather Outlook

Dry conditions end this Tuesday for many regions of the country as moisture moves in, bringing April showers.

The Perfect Date Data by WeatherBug

We Fact-Checked Pop Culture's "Perfect Weather Day" and the Results Are Surprising

(Image provided by Manfred Richter via Pixabay.com)

Plant Care: What to Do When Frosts and Freezes Occur

Sunlight shining through clouds in Dunstanburgh, Northumberland, UK. (Wikimedia)

Five Ways To Avoid Sunburn

Featured image via Pixabay.com

Drought Impacts: It's More Than You Think!

Courtesy Michael Trolove and Wikimedia Commons

The Aches and Pains of Spring Weather

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide