Hourly Weather Forecast - Portola Valley, CA

12 AM
49°F
0%
3mph
WNW
Partly Cloudy
Humidity
94%
Feels like
49°F
Dew Point
47°F
1 AM
48°F
0%
2mph
WNW
Mostly Cloudy
Humidity
95%
Feels like
48°F
Dew Point
46°F
2 AM
47°F
0%
2mph
WNW
Mostly Cloudy
Humidity
96%
Feels like
47°F
Dew Point
46°F
3 AM
47°F
0%
2mph
WNW
Mostly Cloudy
Humidity
98%
Feels like
47°F
Dew Point
46°F
4 AM
46°F
0%
2mph
WNW
Foggy
Humidity
99%
Feels like
46°F
Dew Point
46°F
5 AM
47°F
0%
2mph
WNW
Mostly Cloudy
Humidity
98%
Feels like
47°F
Dew Point
46°F
6 AM
48°F
0%
2mph
WNW
Mostly Cloudy
Humidity
94%
Feels like
48°F
Dew Point
46°F
6:06 AM
7 AM
51°F
0%
3mph
WNW
Mostly Cloudy
Humidity
91%
Feels like
51°F
Dew Point
48°F
8 AM
55°F
0%
3mph
WNW
Mostly Cloudy
Humidity
84%
Feels like
55°F
Dew Point
50°F
9 AM
58°F
0%
4mph
WNW
Mostly Cloudy
Humidity
72%
Feels like
58°F
Dew Point
49°F
10 AM
61°F
0%
4mph
WNW
Mostly Cloudy
Humidity
65%
Feels like
61°F
Dew Point
49°F
11 AM
64°F
0%
5mph
WNW
Partly Cloudy
Humidity
60%
Feels like
64°F
Dew Point
50°F
12 PM
66°F
0%
6mph
WNW
Partly Cloudy
Humidity
58%
Feels like
66°F
Dew Point
51°F
1 PM
67°F
0%
6mph
WNW
Partly Cloudy
Humidity
55%
Feels like
67°F
Dew Point
51°F
2 PM
69°F
0%
7mph
WNW
Partly Cloudy
Humidity
53%
Feels like
69°F
Dew Point
51°F
3 PM
69°F
0%
7mph
WNW
Partly Cloudy
Humidity
52%
Feels like
69°F
Dew Point
50°F
4 PM
67°F
0%
7mph
WNW
Mostly Sunny
Humidity
52%
Feels like
67°F
Dew Point
49°F
5 PM
65°F
0%
7mph
WNW
Mostly Sunny
Humidity
55%
Feels like
65°F
Dew Point
49°F
6 PM
62°F
0%
6mph
WNW
Mostly Sunny
Humidity
59%
Feels like
62°F
Dew Point
48°F
7 PM
59°F
0%
5mph
WNW
Mostly Sunny
Humidity
65%
Feels like
59°F
Dew Point
47°F
8 PM
56°F
0%
4mph
WNW
Mostly Sunny
Humidity
71%
Feels like
56°F
Dew Point
47°F
8:04 PM
9 PM
53°F
0%
4mph
WNW
Mostly Clear
Humidity
77%
Feels like
53°F
Dew Point
46°F
10 PM
52°F
0%
3mph
WNW
Mostly Clear
Humidity
83%
Feels like
52°F
Dew Point
47°F
11 PM
50°F
0%
2mph
WNW
Mostly Clear
Humidity
88%
Feels like
50°F
Dew Point
47°F

Today's Weather Outlook

Today's Weather Outlook

A warmer, quieter spring pattern spreads across much of the country today as dry weather approaches more regions.

Weekly Drought Map for April 30th, 2026

Latest Drought Update: Deep Drought Continues

(Image provided by Manfred Richter via Pixabay.com)

Plant Care: What to Do When Frosts and Freezes Occur

Featured image via Pixabay.com

Drought Impacts: It's More Than You Think!

Debris from the Tuscaloosa-Birmingham tornado. Source: National Weather Service in Birmingham, Alabama

Remembering the Tuscaloosa-Birmingham Tornado

A thunderstorm is seen in the Plains. (Courtesy of Pixabay.com)

Spring Weather Hazards: Excessive Heat to Blizzards

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