Hourly Weather Forecast - Portola Valley, CA

12 PM
62°F
0%
3mph
N
Sunny
Humidity
61%
Feels like
62°F
Dew Point
49°F
1 PM
65°F
0%
3mph
N
Sunny
Humidity
55%
Feels like
65°F
Dew Point
48°F
2 PM
67°F
0%
4mph
N
Sunny
Humidity
51%
Feels like
67°F
Dew Point
48°F
3 PM
69°F
0%
4mph
N
Sunny
Humidity
47%
Feels like
69°F
Dew Point
48°F
4 PM
69°F
0%
5mph
NNW
Sunny
Humidity
49%
Feels like
69°F
Dew Point
49°F
5 PM
67°F
0%
6mph
NNW
Mostly Sunny
Humidity
53%
Feels like
67°F
Dew Point
49°F
6 PM
63°F
0%
5mph
NW
Sunny
Humidity
69%
Feels like
63°F
Dew Point
52°F
7 PM
57°F
0%
5mph
WNW
Sunny
Humidity
81%
Feels like
57°F
Dew Point
52°F
7:15 PM
8 PM
54°F
0%
4mph
W
Mostly Clear
Humidity
84%
Feels like
54°F
Dew Point
49°F
9 PM
51°F
0%
4mph
W
Mostly Clear
Humidity
90%
Feels like
51°F
Dew Point
49°F
10 PM
50°F
0%
3mph
W
Hazy
Humidity
94%
Feels like
50°F
Dew Point
48°F
11 PM
49°F
0%
2mph
W
Hazy
Humidity
95%
Feels like
49°F
Dew Point
47°F

Snowfall Forecast Through Monday

Major Winter Storm Afflicts U.S. Northern Tier

Just as one clipper exits New England today, the remnants of an atmospheric river will evolve into yet another destructive winter storm.

Sunday's Severe Weather Outlook

Severe Storms Berate Plains to East Coast

Today's Weather Outlook

Weekend Weather Outlook

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Weekly Drought Map for March 12, 2026

Widespread Drought Improvement For The South, Midwest

Blizzard: Its True Definition

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