Hourly Weather Forecast - Sunnyvale, CA

12 AM
44°F
0%
1mph
SE
Cloudy
Humidity
97%
Feels like
44°F
Dew Point
44°F
1 AM
44°F
0%
1mph
SE
Cloudy
Humidity
98%
Feels like
44°F
Dew Point
44°F
2 AM
44°F
0%
1mph
ESE
Foggy
Humidity
99%
Feels like
44°F
Dew Point
44°F
3 AM
43°F
0%
1mph
ESE
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
4 AM
43°F
0%
1mph
ESE
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
5 AM
43°F
0%
1mph
ESE
Foggy
Humidity
99%
Feels like
43°F
Dew Point
43°F
6 AM
43°F
0%
1mph
ESE
Cloudy
Humidity
98%
Feels like
43°F
Dew Point
43°F
7 AM
44°F
0%
2mph
ESE
Cloudy
Humidity
95%
Feels like
44°F
Dew Point
43°F
7:14 AM
8 AM
46°F
0%
1mph
E
Cloudy
Humidity
92%
Feels like
46°F
Dew Point
44°F
9 AM
48°F
0%
1mph
ENE
Mostly Cloudy
Humidity
89%
Feels like
48°F
Dew Point
45°F
10 AM
50°F
0%
1mph
NE
Mostly Cloudy
Humidity
85%
Feels like
50°F
Dew Point
45°F
11 AM
52°F
0%
1mph
N
Mostly Cloudy
Humidity
81%
Feels like
52°F
Dew Point
46°F
12 PM
54°F
0%
2mph
NNW
Mostly Cloudy
Humidity
77%
Feels like
54°F
Dew Point
47°F
1 PM
56°F
0%
3mph
NNW
Mostly Cloudy
Humidity
74%
Feels like
56°F
Dew Point
48°F
2 PM
56°F
0%
3mph
NNW
Mostly Cloudy
Humidity
74%
Feels like
56°F
Dew Point
48°F
3 PM
55°F
0%
3mph
NNW
Mostly Cloudy
Humidity
78%
Feels like
55°F
Dew Point
48°F
4 PM
52°F
0%
3mph
NNW
Mostly Cloudy
Humidity
85%
Feels like
52°F
Dew Point
48°F
4:51 PM
5 PM
49°F
0%
3mph
NNW
Mostly Cloudy
Humidity
92%
Feels like
49°F
Dew Point
47°F
6 PM
47°F
0%
2mph
NNW
Partly Cloudy
Humidity
95%
Feels like
47°F
Dew Point
46°F
7 PM
46°F
0%
2mph
NNW
Partly Cloudy
Humidity
96%
Feels like
46°F
Dew Point
45°F
8 PM
46°F
0%
2mph
ENE
Partly Cloudy
Humidity
97%
Feels like
46°F
Dew Point
45°F
9 PM
45°F
0%
2mph
ESE
Cloudy
Humidity
98%
Feels like
45°F
Dew Point
44°F
10 PM
45°F
0%
2mph
ESE
Cloudy
Humidity
98%
Feels like
45°F
Dew Point
44°F
11 PM
44°F
0%
1mph
ESE
Foggy
Humidity
99%
Feels like
44°F
Dew Point
44°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday'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