Hourly Weather Forecast - Castro Valley, CA

12 AM
54°F
60%
17mph
SSE
60% Chance Rain Showers
Humidity
81%
Feels like
54°F
Dew Point
48°F
1 AM
53°F
70%
18mph
SSE
70% Chance Rain Showers
Humidity
80%
Feels like
53°F
Dew Point
47°F
2 AM
53°F
80%
19mph
SSE
80% Chance Rain Showers
Humidity
82%
Feels like
53°F
Dew Point
48°F
3 AM
53°F
90%
20mph
SSE
Light Rain
Humidity
82%
Feels like
53°F
Dew Point
48°F
4 AM
54°F
100%
20mph
SSE
Light Rain
Humidity
83%
Feels like
54°F
Dew Point
48°F
5 AM
54°F
100%
20mph
SSE
Rain
Humidity
82%
Feels like
54°F
Dew Point
48°F
6 AM
53°F
100%
20mph
S
Rain
Humidity
83%
Feels like
53°F
Dew Point
48°F
7 AM
53°F
100%
20mph
S
Rain Showers
Humidity
83%
Feels like
53°F
Dew Point
48°F
7:21 AM
8 AM
53°F
100%
20mph
S
Rain Showers
Humidity
82%
Feels like
53°F
Dew Point
48°F
9 AM
54°F
100%
20mph
S
Rain Showers
Humidity
81%
Feels like
54°F
Dew Point
48°F
10 AM
54°F
90%
19mph
S
Rain Showers
Humidity
80%
Feels like
54°F
Dew Point
48°F
11 AM
55°F
70%
20mph
SSW
70% Chance Rain Showers
Humidity
78%
Feels like
55°F
Dew Point
48°F
12 PM
55°F
60%
20mph
SSW
60% Chance of Rain
Humidity
78%
Feels like
55°F
Dew Point
48°F
1 PM
55°F
60%
20mph
SSW
60% Chance of Rain
Humidity
77%
Feels like
55°F
Dew Point
48°F
2 PM
54°F
60%
19mph
SSW
60% Chance of Rain
Humidity
77%
Feels like
54°F
Dew Point
47°F
3 PM
52°F
60%
17mph
SSW
60% Chance of Rain
Humidity
80%
Feels like
52°F
Dew Point
46°F
4 PM
50°F
80%
16mph
SSW
80% Chance of Rain
Humidity
79%
Feels like
50°F
Dew Point
44°F
4:55 PM
5 PM
49°F
80%
15mph
SSW
80% Chance of Light Rain
Humidity
79%
Feels like
43°F
Dew Point
43°F
6 PM
49°F
80%
13mph
S
80% Chance Rain Showers
Humidity
79%
Feels like
43°F
Dew Point
43°F
7 PM
49°F
80%
12mph
S
80% Chance Rain Showers
Humidity
80%
Feels like
44°F
Dew Point
43°F
8 PM
49°F
90%
12mph
S
Rain Showers
Humidity
82%
Feels like
44°F
Dew Point
43°F
9 PM
48°F
90%
12mph
S
Light Rain
Humidity
83%
Feels like
43°F
Dew Point
44°F
10 PM
48°F
90%
12mph
S
Light Rain
Humidity
85%
Feels like
43°F
Dew Point
44°F
11 PM
48°F
90%
12mph
S
Light Rain
Humidity
85%
Feels like
43°F
Dew Point
44°F

Travel Outlook for Tuesday, December 23

Christmas Travel Outlook: Plenty of Travel Headaches Across The West

Christmas is quickly approaching, and we have the scoop on the travel forecast.

Forecast Snow Depth on Christmas Day

White Christmas Outlook: Looking Good For The West, N. Tier

Rain and Snow Totals Through Christmas

Wet Across The West Coast Through Christmas

Tuesday's Weather Outlook

Tuesday's Weather Outlook

Christmas Tree via Pixabay

How Drought Impacts Your Christmas Trees

A blanket of fresh snow is seen. (Courtesy of Pixabay.com)

Record Cold to Tornadoes: Christmas Weather Extremes

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide