Hourly Weather Forecast - Cupertino, CA

9 AM
44°F
0%
2mph
NW
Mostly Sunny
Humidity
90%
Feels like
44°F
Dew Point
41°F
10 AM
47°F
0%
2mph
NNW
Mostly Sunny
Humidity
87%
Feels like
47°F
Dew Point
43°F
11 AM
50°F
0%
2mph
NNW
Mostly Sunny
Humidity
82%
Feels like
50°F
Dew Point
45°F
12 PM
53°F
0%
3mph
NNW
Sunny
Humidity
78%
Feels like
53°F
Dew Point
46°F
1 PM
55°F
0%
3mph
NNW
Sunny
Humidity
74%
Feels like
55°F
Dew Point
47°F
2 PM
56°F
0%
3mph
NNW
Sunny
Humidity
74%
Feels like
56°F
Dew Point
48°F
3 PM
56°F
0%
3mph
NNW
Sunny
Humidity
75%
Feels like
56°F
Dew Point
49°F
4 PM
55°F
0%
3mph
NNW
Sunny
Humidity
77%
Feels like
55°F
Dew Point
48°F
4:50 PM
5 PM
53°F
0%
2mph
NW
Clear
Humidity
79%
Feels like
53°F
Dew Point
47°F
6 PM
51°F
0%
2mph
NW
Clear
Humidity
80%
Feels like
51°F
Dew Point
45°F
7 PM
50°F
0%
2mph
NW
Clear
Humidity
81%
Feels like
50°F
Dew Point
44°F
8 PM
49°F
0%
2mph
NW
Clear
Humidity
81%
Feels like
49°F
Dew Point
43°F
9 PM
48°F
0%
2mph
NW
Clear
Humidity
82%
Feels like
48°F
Dew Point
43°F
10 PM
48°F
0%
2mph
NW
Clear
Humidity
81%
Feels like
48°F
Dew Point
42°F
11 PM
47°F
0%
2mph
NW
Clear
Humidity
83%
Feels like
47°F
Dew Point
42°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

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide