Hourly Weather Forecast - Sunnyvale, CA

12 AM
44°F
0%
1mph
ESE
Foggy
Humidity
99%
Feels like
44°F
Dew Point
44°F
1 AM
44°F
0%
1mph
ESE
Foggy
Humidity
99%
Feels like
44°F
Dew Point
44°F
2 AM
44°F
0%
2mph
ESE
Foggy
Humidity
99%
Feels like
44°F
Dew Point
44°F
3 AM
45°F
0%
2mph
E
Cloudy
Humidity
98%
Feels like
45°F
Dew Point
44°F
4 AM
44°F
10%
2mph
E
Cloudy
Humidity
97%
Feels like
44°F
Dew Point
44°F
5 AM
44°F
10%
2mph
ESE
Cloudy
Humidity
96%
Feels like
44°F
Dew Point
43°F
6 AM
44°F
10%
1mph
SE
Cloudy
Humidity
96%
Feels like
44°F
Dew Point
43°F
7 AM
45°F
10%
1mph
SE
Cloudy
Humidity
93%
Feels like
45°F
Dew Point
43°F
7:15 AM
8 AM
46°F
10%
1mph
SE
Cloudy
Humidity
91%
Feels like
46°F
Dew Point
44°F
9 AM
48°F
10%
1mph
SE
Cloudy
Humidity
87%
Feels like
48°F
Dew Point
44°F
10 AM
50°F
10%
1mph
SE
Cloudy
Humidity
83%
Feels like
50°F
Dew Point
45°F
11 AM
52°F
10%
2mph
E
Cloudy
Humidity
78%
Feels like
52°F
Dew Point
46°F
12 PM
54°F
10%
2mph
NNW
Partly Cloudy
Humidity
74%
Feels like
54°F
Dew Point
46°F
1 PM
56°F
10%
2mph
NW
Partly Cloudy
Humidity
72%
Feels like
56°F
Dew Point
47°F
2 PM
56°F
10%
3mph
NW
Partly Cloudy
Humidity
72%
Feels like
56°F
Dew Point
47°F
3 PM
56°F
10%
3mph
NW
Partly Cloudy
Humidity
75%
Feels like
56°F
Dew Point
48°F
4 PM
54°F
10%
3mph
NW
Partly Cloudy
Humidity
80%
Feels like
54°F
Dew Point
48°F
4:51 PM
5 PM
52°F
20%
3mph
WNW
Mostly Cloudy
Humidity
84%
Feels like
52°F
Dew Point
47°F
6 PM
51°F
20%
3mph
W
Mostly Cloudy
Humidity
87%
Feels like
51°F
Dew Point
47°F
7 PM
50°F
30%
3mph
SW
30% Chance of Light Rain
Humidity
88%
Feels like
50°F
Dew Point
46°F
8 PM
49°F
30%
3mph
SW
30% Chance of Light Rain
Humidity
88%
Feels like
49°F
Dew Point
46°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