Hourly Weather Forecast - Castro Valley, CA

11 PM
46°F
0%
6mph
ENE
Clear
Humidity
73%
Feels like
43°F
Dew Point
38°F

Tuesday's Weather Outlook

Today's Weather Outlook

Rain and snow showers will sweep through the Great Lakes as the Western U.S. begins a pattern of quiet and dry weather.

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

(Image provided by Pixabay.com)

Before a High Wind Event

Windchill chart

Dangers of Wind Chills

A snow-covered trail in Sparkill, N.Y. (H. Martinez, WeatherBug user)

Top Winter Hiking Destinations

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Today's National Outlook

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Allergy Forecast

Snow & Ski Forecast

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Outdoor Sports Guide