Hourly Weather Forecast - Sunnyvale, CA

12 AM
49°F
90%
9mph
S
Light Rain
Humidity
93%
Feels like
45°F
Dew Point
47°F
1 AM
49°F
90%
9mph
S
Light Rain
Humidity
93%
Feels like
45°F
Dew Point
47°F
2 AM
49°F
80%
9mph
S
80% Chance of Light Rain
Humidity
93%
Feels like
45°F
Dew Point
47°F
3 AM
49°F
80%
8mph
S
80% Chance of Light Rain
Humidity
92%
Feels like
46°F
Dew Point
47°F
4 AM
49°F
70%
8mph
S
70% Chance of Light Rain
Humidity
92%
Feels like
46°F
Dew Point
47°F
5 AM
50°F
70%
8mph
SSE
70% Chance Rain Showers
Humidity
92%
Feels like
46°F
Dew Point
47°F
6 AM
50°F
70%
8mph
SSE
70% Chance Rain Showers
Humidity
91%
Feels like
50°F
Dew Point
48°F
7 AM
51°F
60%
7mph
SSE
60% Chance Rain Showers
Humidity
91%
Feels like
51°F
Dew Point
48°F
7:20 AM
8 AM
52°F
60%
8mph
SSE
60% Chance Rain Showers
Humidity
89%
Feels like
52°F
Dew Point
49°F
9 AM
53°F
60%
8mph
SSE
60% Chance Rain Showers
Humidity
87%
Feels like
53°F
Dew Point
49°F
10 AM
54°F
60%
8mph
SSE
60% Chance Rain Showers
Humidity
85%
Feels like
54°F
Dew Point
49°F
11 AM
55°F
70%
8mph
SSE
70% Chance Rain Showers
Humidity
82%
Feels like
55°F
Dew Point
49°F
12 PM
55°F
70%
8mph
SSE
70% Chance Rain Showers
Humidity
79%
Feels like
55°F
Dew Point
49°F
1 PM
55°F
70%
8mph
S
70% Chance Rain Showers
Humidity
78%
Feels like
55°F
Dew Point
49°F
2 PM
55°F
70%
7mph
S
70% Chance Rain Showers
Humidity
78%
Feels like
55°F
Dew Point
48°F
3 PM
53°F
60%
7mph
SSE
60% Chance Rain Showers
Humidity
83%
Feels like
53°F
Dew Point
48°F
4 PM
51°F
60%
7mph
SSE
60% Chance Rain Showers
Humidity
88%
Feels like
51°F
Dew Point
48°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide