Hourly Weather Forecast - Sunnyvale, CA

12 AM
51°F
40%
3mph
SSE
40% Chance Rain Showers
Humidity
99%
Feels like
51°F
Dew Point
51°F
1 AM
51°F
40%
3mph
S
40% Chance Rain Showers
Humidity
99%
Feels like
51°F
Dew Point
51°F
2 AM
51°F
50%
3mph
S
50% Chance of Light Rain
Humidity
99%
Feels like
51°F
Dew Point
51°F
3 AM
51°F
50%
3mph
S
50% Chance of Light Rain
Humidity
99%
Feels like
51°F
Dew Point
51°F
4 AM
52°F
50%
4mph
S
50% Chance of Light Rain
Humidity
99%
Feels like
52°F
Dew Point
51°F
5 AM
52°F
50%
4mph
SSW
50% Chance of Light Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
6 AM
53°F
40%
4mph
SW
40% Chance of Light Rain
Humidity
99%
Feels like
53°F
Dew Point
53°F
7 AM
54°F
40%
4mph
WSW
40% Chance of Light Rain
Humidity
99%
Feels like
54°F
Dew Point
54°F
7:18 AM
8 AM
55°F
30%
4mph
W
30% Chance of Light Rain
Humidity
98%
Feels like
55°F
Dew Point
55°F
9 AM
56°F
30%
4mph
W
30% Chance of Light Rain
Humidity
98%
Feels like
56°F
Dew Point
55°F
10 AM
56°F
30%
4mph
W
30% Chance of Light Rain
Humidity
97%
Feels like
56°F
Dew Point
56°F
11 AM
57°F
30%
5mph
WNW
30% Chance of Light Rain
Humidity
96%
Feels like
57°F
Dew Point
56°F
12 PM
58°F
20%
5mph
WNW
Cloudy
Humidity
96%
Feels like
58°F
Dew Point
56°F
1 PM
58°F
20%
4mph
WNW
Cloudy
Humidity
96%
Feels like
58°F
Dew Point
57°F
2 PM
58°F
30%
5mph
NW
30% Chance of Light Rain
Humidity
97%
Feels like
58°F
Dew Point
57°F
3 PM
57°F
30%
5mph
NW
30% Chance of Light Rain
Humidity
100%
Feels like
57°F
Dew Point
57°F
4 PM
55°F
30%
4mph
NW
30% Chance of Light Rain
Humidity
100%
Feels like
55°F
Dew Point
55°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

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

Cold Air Damming - Cause And Effects

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