Hourly Weather Forecast - Portola Valley, CA

12 AM
38°F
10%
2mph
NNE
Foggy
Humidity
100%
Feels like
38°F
Dew Point
38°F
1 AM
37°F
10%
1mph
NNE
Foggy
Humidity
100%
Feels like
37°F
Dew Point
37°F
2 AM
36°F
10%
1mph
NE
Foggy
Humidity
100%
Feels like
36°F
Dew Point
36°F
3 AM
35°F
10%
1mph
NE
Foggy
Humidity
100%
Feels like
35°F
Dew Point
35°F
4 AM
35°F
10%
1mph
ENE
Foggy
Humidity
100%
Feels like
35°F
Dew Point
35°F
5 AM
35°F
10%
1mph
ENE
Foggy
Humidity
100%
Feels like
35°F
Dew Point
35°F
6 AM
35°F
10%
1mph
ENE
Foggy
Humidity
100%
Feels like
35°F
Dew Point
35°F
7 AM
37°F
10%
1mph
NE
Hazy
Humidity
93%
Feels like
37°F
Dew Point
36°F
7:01 AM
8 AM
43°F
10%
1mph
NNE
Mostly Sunny
Humidity
89%
Feels like
43°F
Dew Point
40°F
9 AM
51°F
0%
1mph
NNE
Sunny
Humidity
76%
Feels like
51°F
Dew Point
43°F
10 AM
56°F
0%
2mph
N
Sunny
Humidity
61%
Feels like
56°F
Dew Point
43°F
11 AM
59°F
0%
2mph
NNW
Sunny
Humidity
55%
Feels like
59°F
Dew Point
43°F
12 PM
61°F
0%
3mph
NW
Sunny
Humidity
51%
Feels like
61°F
Dew Point
43°F
1 PM
61°F
0%
3mph
NW
Sunny
Humidity
50%
Feels like
61°F
Dew Point
43°F
2 PM
61°F
0%
4mph
NW
Sunny
Humidity
49%
Feels like
61°F
Dew Point
42°F
3 PM
59°F
0%
5mph
NW
Sunny
Humidity
51%
Feels like
59°F
Dew Point
42°F
4 PM
56°F
0%
5mph
NW
Sunny
Humidity
62%
Feels like
56°F
Dew Point
43°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. 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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