Hourly Weather Forecast - Portola Valley, CA

2 PM
68°F
0%
2mph
WNW
Sunny
Humidity
53%
Feels like
68°F
Dew Point
50°F
3 PM
66°F
0%
2mph
NW
Sunny
Humidity
55%
Feels like
66°F
Dew Point
49°F
4 PM
62°F
0%
3mph
NW
Sunny
Humidity
69%
Feels like
62°F
Dew Point
52°F
5 PM
56°F
0%
3mph
NW
Sunny
Humidity
82%
Feels like
56°F
Dew Point
51°F
5:38 PM
6 PM
51°F
0%
2mph
W
Hazy
Humidity
93%
Feels like
51°F
Dew Point
50°F
7 PM
48°F
0%
2mph
SW
Foggy
Humidity
100%
Feels like
48°F
Dew Point
48°F
8 PM
46°F
0%
2mph
SW
Foggy
Humidity
100%
Feels like
46°F
Dew Point
46°F
9 PM
45°F
0%
2mph
SW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
45°F
10 PM
43°F
0%
1mph
WSW
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
11 PM
42°F
0%
1mph
SW
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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide