Hourly Weather Forecast - Alviso, CA

12 AM
50°F
30%
1mph
SSE
30% Chance of Light Rain
Humidity
81%
Feels like
50°F
Dew Point
44°F
1 AM
50°F
30%
1mph
SSE
30% Chance of Light Rain
Humidity
82%
Feels like
50°F
Dew Point
44°F
2 AM
50°F
30%
2mph
SE
30% Chance of Light Rain
Humidity
82%
Feels like
50°F
Dew Point
45°F
3 AM
50°F
30%
2mph
SE
30% Chance of Light Rain
Humidity
82%
Feels like
50°F
Dew Point
45°F
4 AM
51°F
30%
2mph
SE
30% Chance of Light Rain
Humidity
83%
Feels like
51°F
Dew Point
46°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide