Weather forecast for todayPortola Valley, CA
Weather forecast for today
Current condition 11:36 am PDT
- 81°F
- Feels like:81°F
Sunny
- Precipitation: 0"
- Wind: 3mphN 0°
- Humidity: 32%
- Dewpoint: 48°F
- Pressure: 30.04"Hg
- Visibility: 9mi
- UV index: 4
- details ▼
Currently, the sun is shining brightly, and temperatures are comfortable.
The temperature is a warm 80.6°F. The current temperature is only a few degrees off the maximum of 86°F for the day.
The temperature is a warm 80.6°F. The current temperature is only a few degrees off the maximum of 86°F for the day.
Saturday Oct 17, 2026
- 86°F
- 52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNW 340°
- Humidity: 30%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:29 pm PDT
- details ▼
Today, in Portola Valley, the outlook remains bright and sunny.
A substantial temperature range, peaking at a tropical 86°F and bottoming out at a crisp 51.8°F, is predicted.
The temperature of 86°F aligns more with what is typical in September than what is normal in October.
Sunrise was at 7:19 am and sunset will be at 6:29 pm; the daylight will last for 11h and 10min.
A substantial temperature range, peaking at a tropical 86°F and bottoming out at a crisp 51.8°F, is predicted.
The temperature of 86°F aligns more with what is typical in September than what is normal in October.
Sunrise was at 7:19 am and sunset will be at 6:29 pm; the daylight will last for 11h and 10min.
Hourly overview
Hourly temperatures
Warmest hour: 2 pm 86°C.
Coldest hour: 2 am 55°C.
Coldest hour: 2 am 55°C.
Chance of precipitation
Highest chance: 2 am 3%.
Hourly weather forecast
- 12 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNE 18°
- Humidity: 29%
- Pressure: 30"Hg
- Visibility: 9mi
- UV index: 5
- details ▼
- 1 pm
- 84°F
- Feels like:84°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphN 354°
- Humidity: 26%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 2 pm
- 86°F
- Feels like:86°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNW 338°
- Humidity: 26%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 3 pm
- 86°F
- Feels like:86°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNW 330°
- Humidity: 24%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 84°F
- Feels like:84°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNW 321°
- Humidity: 25%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 5 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNW 319°
- Humidity: 28%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 79°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNW 316°
- Humidity: 34%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:29 pm
- 7 pm
- 73°F
- Feels like:73°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphWNW 303°
- Humidity: 38%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 68°F
- Feels like:68°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphNW 305°
- Humidity: 49%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 64°F
- Feels like:64°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphWNW 284°
- Humidity: 57%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphSSE 159°
- Humidity: 59%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 61°F
- Feels like:61°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphS 174°
- Humidity: 65%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, mainly sunny weather and a cloudless sky are anticipated.
The temperature will be between the highest temperature of 86°F and the lowest temperature of 60.8°F. The hottest part of the day will be at 2 pm and 3 pm.
The maximum temperature today will be more in line with September's average high of 72.5°F than October's typical of 68.2°F. Today, the minimum temperature will be comparable to the average low for October.
The temperature will be between the highest temperature of 86°F and the lowest temperature of 60.8°F. The hottest part of the day will be at 2 pm and 3 pm.
The maximum temperature today will be more in line with September's average high of 72.5°F than October's typical of 68.2°F. Today, the minimum temperature will be comparable to the average low for October.
Updated: Oct 17, 2026 @ 18:36:46 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
The current temperature (11:36 am PDT) is 80.6°F.
On Saturday, in Portola Valley, sunny and dry conditions are anticipated.
Today, the highest temperature will be 86°F, while the lowest temperature will be 51.8°F.
The highest temperature will be notably higher than the average maximum of 68.2°F in October. The lowest temperature today will be in line with the average low temperature.
The highest temperature will be notably higher than the average maximum of 68.2°F in October. The lowest temperature today will be in line with the average low temperature.
On Saturday, in Portola Valley, sunrise was at 7:19 am and sunset will be at 6:29 pm (PDT).
In Portola Valley, today, there will be 11h and 10min of daylight.
Portola Valley, California, USA
- en: Portola Valley, California, USA
- es: Portola Valley, California, EE.UU.
- hr: Portola Vali, Kalifornija, SAD
- mk: Portola Vali, Kalifornija, SAD
- sr: Portola Vali, Kalifornija, SAD
- zh: 波托拉谷, 加利福尼亚州, 美国
- Latitude: 37.384107°
- Longitude: -122.235244°
- Elevation: 463 ft
- Current time: 11:36am PDT
- Sunrise: 7:19 am PDT
- Sunset: 6:29 pm PDT
- Timezone: America/Los_Angeles
Nearby Portola Valley, California, USA
- Los Trancos Woods (3 mi)
- Woodside (3 mi)
- West Menlo Park (4 mi)
- Stanford (5 mi)
- La Honda (5 mi)
- Los Altos Hills (6 mi)
- Menlo Park (6 mi)
- Atherton (6 mi)
- Emerald Hills (6 mi)
- Palo Alto (6 mi)
- North Fair Oaks (7 mi)
- Los Altos (7 mi)
- Redwood City (7 mi)
- Loyola (7 mi)
- East Palo Alto (8 mi)
- Mountain View (8 mi)
- San Carlos (9 mi)
- Loma Mar (9 mi)
- San Gregorio (9 mi)
- Belmont (10 mi)
- Redwood Shores (11 mi)
- Sunnyvale (11 mi)
- Highlands (11 mi)
- Cupertino (12 mi)
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