Hourly Weather Forecast - Cupertino, CA

9 AM
42°F
0%
1mph
N
Foggy
Humidity
100%
Feels like
42°F
Dew Point
42°F
10 AM
44°F
0%
1mph
N
Foggy
Humidity
100%
Feels like
44°F
Dew Point
44°F
11 AM
47°F
0%
2mph
N
Partly Cloudy
Humidity
96%
Feels like
47°F
Dew Point
46°F
12 PM
49°F
0%
2mph
N
Partly Cloudy
Humidity
90%
Feels like
49°F
Dew Point
46°F
1 PM
51°F
0%
3mph
N
Partly Cloudy
Humidity
85%
Feels like
51°F
Dew Point
46°F
2 PM
52°F
0%
2mph
NNW
Partly Cloudy
Humidity
83%
Feels like
52°F
Dew Point
47°F
3 PM
52°F
0%
2mph
NNW
Partly Cloudy
Humidity
83%
Feels like
52°F
Dew Point
47°F
4 PM
51°F
0%
2mph
NNW
Mostly Sunny
Humidity
83%
Feels like
51°F
Dew Point
46°F
4:51 PM
5 PM
49°F
0%
2mph
NNW
Mostly Clear
Humidity
84%
Feels like
49°F
Dew Point
45°F
6 PM
48°F
0%
2mph
NW
Mostly Clear
Humidity
85%
Feels like
48°F
Dew Point
44°F
7 PM
47°F
0%
2mph
NW
Mostly Clear
Humidity
85%
Feels like
47°F
Dew Point
43°F
8 PM
47°F
0%
2mph
NW
Partly Cloudy
Humidity
84%
Feels like
47°F
Dew Point
42°F
9 PM
46°F
0%
2mph
WNW
Partly Cloudy
Humidity
83%
Feels like
46°F
Dew Point
42°F
10 PM
46°F
0%
2mph
WNW
Mostly Clear
Humidity
84%
Feels like
46°F
Dew Point
42°F
11 PM
45°F
0%
2mph
WNW
Mostly Clear
Humidity
87%
Feels like
45°F
Dew Point
42°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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