Hourly Weather Forecast - Portola Valley, CA

12 AM
41°F
0%
1mph
WSW
Foggy
Humidity
100%
Feels like
41°F
Dew Point
41°F
1 AM
40°F
0%
1mph
WSW
Foggy
Humidity
100%
Feels like
40°F
Dew Point
40°F
2 AM
39°F
0%
1mph
WSW
Foggy
Humidity
100%
Feels like
39°F
Dew Point
39°F
3 AM
39°F
0%
1mph
WSW
Foggy
Humidity
100%
Feels like
39°F
Dew Point
39°F
4 AM
39°F
0%
1mph
SW
Foggy
Humidity
100%
Feels like
39°F
Dew Point
39°F
5 AM
39°F
0%
1mph
SSE
Foggy
Humidity
100%
Feels like
39°F
Dew Point
39°F
6 AM
39°F
0%
1mph
SE
Foggy
Humidity
100%
Feels like
39°F
Dew Point
39°F
7 AM
42°F
0%
1mph
SSE
Foggy
Humidity
100%
Feels like
42°F
Dew Point
42°F
7:06 AM
8 AM
47°F
0%
1mph
W
Foggy
Humidity
100%
Feels like
47°F
Dew Point
47°F
9 AM
54°F
0%
1mph
N
Partly Cloudy
Humidity
87%
Feels like
54°F
Dew Point
50°F
10 AM
59°F
0%
1mph
N
Mostly Sunny
Humidity
71%
Feels like
59°F
Dew Point
50°F
11 AM
61°F
0%
2mph
N
Mostly Sunny
Humidity
66%
Feels like
61°F
Dew Point
50°F
12 PM
62°F
0%
2mph
N
Sunny
Humidity
63%
Feels like
62°F
Dew Point
50°F
1 PM
63°F
0%
3mph
N
Sunny
Humidity
63%
Feels like
63°F
Dew Point
50°F
2 PM
63°F
0%
3mph
N
Sunny
Humidity
61%
Feels like
63°F
Dew Point
50°F
3 PM
62°F
0%
3mph
N
Sunny
Humidity
62%
Feels like
62°F
Dew Point
49°F
4 PM
59°F
0%
3mph
NNW
Sunny
Humidity
74%
Feels like
59°F
Dew Point
50°F
5 PM
54°F
0%
3mph
NNW
Sunny
Humidity
85%
Feels like
54°F
Dew Point
49°F
5:39 PM
6 PM
49°F
0%
3mph
WNW
Hazy
Humidity
93%
Feels like
49°F
Dew Point
47°F
7 PM
47°F
0%
2mph
W
Hazy
Humidity
97%
Feels like
47°F
Dew Point
46°F
8 PM
45°F
0%
2mph
W
Foggy
Humidity
100%
Feels like
45°F
Dew Point
45°F
9 PM
44°F
0%
1mph
W
Foggy
Humidity
100%
Feels like
44°F
Dew Point
44°F
10 PM
43°F
0%
1mph
WNW
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
11 PM
42°F
0%
1mph
WNW
Foggy
Humidity
100%
Feels like
42°F
Dew Point
42°F

Saturday Morning's Low Temperatures

Snow, Record-Breaking Cold Headed for Great Lakes & Northeast

Frigid temperatures, high winds, and snow headed to a large portion of the eastern U.S. today through this weekend.

Weekend Weather Outlook

Weekend Weather Outlook

Image courtesy of Pixabay.com

All About Snow Squalls

Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

Image by Frauke Feind from Pixabay

During Strong Winds: Stay Ready

Windchill chart

Dangers of Wind Chills

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