Hourly Weather Forecast - Cupertino, CA

12 AM
47°F
20%
1mph
W
Cloudy
Humidity
84%
Feels like
47°F
Dew Point
42°F
1 AM
47°F
20%
1mph
WSW
Cloudy
Humidity
83%
Feels like
47°F
Dew Point
42°F
2 AM
48°F
20%
1mph
SSW
Cloudy
Humidity
83%
Feels like
48°F
Dew Point
43°F
3 AM
48°F
20%
1mph
S
Cloudy
Humidity
84%
Feels like
48°F
Dew Point
44°F
4 AM
48°F
20%
1mph
SSE
Cloudy
Humidity
85%
Feels like
48°F
Dew Point
44°F
5 AM
49°F
20%
1mph
SSE
Mostly Cloudy
Humidity
86%
Feels like
49°F
Dew Point
45°F
6 AM
49°F
20%
1mph
S
Mostly Cloudy
Humidity
87%
Feels like
49°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