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Portola Valley, CA

50°F
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Portola Valley

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50°
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Portola Valley, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Hourly

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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8 AM

51°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 63%
Chevron down
Thunderstorms

RealFeel Shade™44°

WindSW 9 mph

Air QualityExcellent

Max UV Index0.4 (Low)

Wind Gusts12 mph

Humidity82%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover89%

Rain0.02 in

Visibility10 mi

Cloud Ceiling4800 ft

9 AM

53°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 68%
Chevron down
Thunderstorms

RealFeel Shade™46°

WindSW 10 mph

Air QualityExcellent

Max UV Index0.9 (Low)

Wind Gusts13 mph

Humidity80%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover78%

Rain0.05 in

Visibility10 mi

Cloud Ceiling4400 ft

10 AM

55°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Intermittent clouds

RealFeel Shade™49°

WindSW 13 mph

Air QualityExcellent

Max UV Index1.8 (Low)

Wind Gusts16 mph

Humidity78%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4000 ft

11 AM

56°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 75%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™45°

WindSW 14 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts18 mph

Humidity77%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

12 PM

57°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 75%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™46°

WindSW 15 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts22 mph

Humidity75%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

1 PM

57°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Intermittent clouds

RealFeel Shade™51°

WindSW 15 mph

Air QualityFair

Max UV Index3.6 (Moderate)

Wind Gusts24 mph

Humidity74%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling3700 ft

2 PM

58°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

RealFeel Shade™52°

WindSW 14 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts28 mph

Humidity73%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling3700 ft

3 PM

58°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

RealFeel Shade™53°

WindWSW 14 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts28 mph

Humidity72%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling3600 ft

4 PM

59°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 40%
Chevron down
Intermittent clouds

RealFeel Shade™54°

WindWSW 14 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts27 mph

Humidity68%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling3600 ft

5 PM

57°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 64%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™49°

WindWSW 13 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts25 mph

Humidity80%

Indoor Humidity54% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.08 in

Visibility5 mi

Cloud Ceiling3600 ft

6 PM

57°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Intermittent clouds

RealFeel Shade™53°

WindWSW 10 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts22 mph

Humidity78%

Indoor Humidity52% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4700 ft

7 PM

56°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 64%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™49°

WindWSW 9 mph

Air QualityExcellent

Max UV Index0.2 (Low)

Wind Gusts17 mph

Humidity77%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover69%

Rain0.08 in

Visibility5 mi

Cloud Ceiling3900 ft

8 PM

57°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 25%
Chevron down
Intermittent clouds

WindW 8 mph

Air QualityExcellent

Wind Gusts14 mph

Humidity72%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling7100 ft

9 PM

55°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

WindWSW 7 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity76%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling5900 ft

10 PM

53°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

WindWSW 6 mph

Air QualityExcellent

Wind Gusts7 mph

Humidity77%

Indoor Humidity46% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4800 ft

11 PM

53°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

WindWSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity78%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling3700 ft

Hourly Weather Forecast for Portola Valley

AccuWeather's hourly forecast for Portola Valley provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 51° with a RealFeel® of 44°, thunderstorms with a 63% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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Weather Near Portola Valley:

  • Oakland, CA
  • San Francisco, CA
  • San Jose, CA
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