Hourly Weather Forecast - Sunnyvale, CA

12 AM
45°F
0%
2mph
WSW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
45°F
1 AM
44°F
0%
2mph
SW
Foggy
Humidity
100%
Feels like
44°F
Dew Point
44°F
2 AM
44°F
0%
2mph
SW
Foggy
Humidity
100%
Feels like
44°F
Dew Point
44°F
3 AM
44°F
0%
2mph
SSW
Foggy
Humidity
100%
Feels like
44°F
Dew Point
44°F
4 AM
43°F
10%
2mph
S
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
5 AM
43°F
10%
2mph
S
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
6 AM
43°F
10%
2mph
S
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
7 AM
45°F
10%
2mph
S
Cloudy
Humidity
98%
Feels like
45°F
Dew Point
44°F
7:17 AM
8 AM
47°F
0%
2mph
SE
Cloudy
Humidity
95%
Feels like
47°F
Dew Point
46°F
9 AM
49°F
10%
1mph
NNE
Mostly Sunny
Humidity
87%
Feels like
49°F
Dew Point
46°F
10 AM
52°F
10%
2mph
N
Mostly Sunny
Humidity
81%
Feels like
52°F
Dew Point
46°F
11 AM
54°F
10%
2mph
NNW
Mostly Sunny
Humidity
76%
Feels like
54°F
Dew Point
47°F
12 PM
56°F
10%
2mph
NW
Mostly Sunny
Humidity
71%
Feels like
56°F
Dew Point
47°F
1 PM
58°F
10%
2mph
WNW
Mostly Sunny
Humidity
69%
Feels like
58°F
Dew Point
48°F
2 PM
58°F
10%
3mph
NW
Mostly Sunny
Humidity
69%
Feels like
58°F
Dew Point
48°F
3 PM
57°F
10%
3mph
NW
Partly Cloudy
Humidity
74%
Feels like
57°F
Dew Point
49°F
4 PM
55°F
10%
3mph
NW
Partly Cloudy
Humidity
82%
Feels like
55°F
Dew Point
49°F
4:52 PM
5 PM
52°F
10%
2mph
WNW
Partly Cloudy
Humidity
90%
Feels like
52°F
Dew Point
49°F
6 PM
51°F
10%
2mph
W
Partly Cloudy
Humidity
93%
Feels like
51°F
Dew Point
49°F
7 PM
50°F
10%
2mph
WSW
Partly Cloudy
Humidity
96%
Feels like
50°F
Dew Point
49°F
8 PM
49°F
10%
2mph
SW
Partly Cloudy
Humidity
97%
Feels like
49°F
Dew Point
49°F
9 PM
49°F
10%
2mph
SSW
Foggy
Humidity
99%
Feels like
49°F
Dew Point
49°F
10 PM
49°F
10%
2mph
S
Foggy
Humidity
99%
Feels like
49°F
Dew Point
48°F
11 PM
48°F
10%
2mph
S
Foggy
Humidity
100%
Feels like
48°F
Dew Point
48°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday evening.

Snow Spreads Across the Ohio Valley into the Mid-Atlantic

Weekend Weather Outlook

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

Cold Air Damming - Cause And Effects

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