10-Day Weather Forecast for Portola Valley, California 94028 - The Weather Channel | weather.com
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10 Day Weather-

As of 6:01 pm PDT
alertLevel3

Small Craft Advisory

Tonight

Mostly Cloudy Night Mostly Cloudy
--/53°
Rain drop 24%
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Night

53°
Mostly Cloudy Night
Rain drop
24%
S 9 mph

Partly cloudy skies this evening will become overcast overnight. Low 53F. Winds S at 5 to 10 mph.

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  • Humidity
    Humidity85%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:31 pm
  • Moonset
    Moonset6:09 am
  • Moon Phase - Day 13 Waxing Gibbous

Wed 01

Cloudy Cloudy
63°/47°
Rain drop 24%
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Day

63°
Cloudy
Rain drop
24%
SW 14 mph

Cloudy. High 63F. Winds SW at 10 to 20 mph.

  • Humidity
    Humidity82%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:54 am
  • Sunset
    Sunset7:31 pm

Night

47°
Showers
Rain drop
67%
W 10 mph

Cloudy with light rain early. Low 47F. Winds W at 5 to 10 mph. Chance of rain 70%.

  • Humidity
    Humidity86%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:32 pm
  • Moonset
    Moonset6:32 am
  • Moon Phase - Day 14 Full Moon

Thu 02

Sunny Sunny
64°/46°
Rain drop 5%
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Day

64°
Sunny
Rain drop
5%
NNW 13 mph

Sunny skies. High 64F. Winds NNW at 10 to 20 mph.

  • Humidity
    Humidity59%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:52 am
  • Sunset
    Sunset7:32 pm

Night

46°
Clear Night
Rain drop
5%
N 12 mph

A mostly clear sky. Low 46F. Winds N at 10 to 15 mph.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:35 pm
  • Moonset
    Moonset6:55 am
  • Moon Phase - Day 15 Full Moon

Fri 03

Mostly Clear Day Mostly Sunny
74°/51°
Rain drop 2%
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Day

74°
Mostly Clear Day
Rain drop
2%
NNE 9 mph

Sunshine and some clouds. High 74F. Winds NNE at 5 to 10 mph.

  • Humidity
    Humidity41%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:51 am
  • Sunset
    Sunset7:33 pm

Night

51°
Partly Cloudy Night
Rain drop
1%
ENE 7 mph

Partly cloudy. Low 51F. Winds ENE at 5 to 10 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:37 pm
  • Moonset
    Moonset7:20 am
  • Moon Phase - Day 16 Waning Gibbous

Sat 04

Partly Cloudy Day Partly Cloudy
83°/54°
Rain drop 0%
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Day

83°
Partly Cloudy Day
NNE 7 mph

Intervals of clouds and sunshine. High 83F. Winds NNE at 5 to 10 mph.

  • Humidity
    Humidity40%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:49 am
  • Sunset
    Sunset7:34 pm

Night

54°
Partly Cloudy Night
Rain drop
1%
ENE 6 mph

Clear to partly cloudy. Low 54F. Winds light and variable.

  • Humidity
    Humidity56%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:39 pm
  • Moonset
    Moonset7:49 am
  • Moon Phase - Day 17 Waning Gibbous

Sun 05

Partly Cloudy Day Partly Cloudy
83°/52°
Rain drop 1%
Add

Day

83°
Partly Cloudy Day
Rain drop
1%
N 9 mph

Partly cloudy skies. High 83F. Winds N at 5 to 10 mph.

  • Humidity
    Humidity42%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:48 am
  • Sunset
    Sunset7:35 pm

Night

52°
Partly Cloudy Night
Rain drop
5%
WSW 7 mph

Partly cloudy. Low 52F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:40 pm
  • Moonset
    Moonset8:21 am
  • Moon Phase - Day 18 Waning Gibbous

Mon 06

Mostly Clear Day Mostly Sunny
73°/51°
Rain drop 4%
Add

Day

73°
Mostly Clear Day
Rain drop
4%
WNW 10 mph

A few clouds early, otherwise mostly sunny. High 73F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity59%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:46 am
  • Sunset
    Sunset7:36 pm

Night

51°
Partly Cloudy Night
Rain drop
9%
W 8 mph

Partly cloudy. Low 51F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise--
  • Moonset
    Moonset8:59 am
  • Moon Phase - Day 19 Waning Gibbous

Tue 07

Partly Cloudy Day Partly Cloudy
71°/52°
Rain drop 12%
Add

Day

71°
Partly Cloudy Day
Rain drop
12%
W 10 mph

Partly cloudy skies. High 71F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity68%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:45 am
  • Sunset
    Sunset7:36 pm

Night

52°
Partly Cloudy Night
Rain drop
24%
W 9 mph

Partly cloudy early with increasing clouds overnight. Low 52F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:39 am
  • Moonset
    Moonset9:44 am
  • Moon Phase - Day 20 Waning Gibbous

Wed 08

Partly Cloudy Day Partly Cloudy
68°/50°
Rain drop 24%
Add

Day

68°
Partly Cloudy Day
Rain drop
24%
WNW 11 mph

Intervals of clouds and sunshine. High 68F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity74%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:43 am
  • Sunset
    Sunset7:37 pm

Night

50°
Partly Cloudy Night
Rain drop
21%
W 9 mph

Partly cloudy. Low around 50F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:32 am
  • Moonset
    Moonset10:36 am
  • Moon Phase - Day 21 Waning Gibbous

Thu 09

Partly Cloudy Day Partly Cloudy
69°/49°
Rain drop 18%
Add

Day

69°
Partly Cloudy Day
Rain drop
18%
WNW 11 mph

Some clouds in the morning will give way to mainly sunny skies for the afternoon. High 69F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity69%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:42 am
  • Sunset
    Sunset7:38 pm

Night

49°
Mostly Clear Night
Rain drop
19%
W 9 mph

Partly cloudy. Low 49F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity83%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:20 am
  • Moonset
    Moonset11:33 am
  • Moon Phase - Day 22 Last Quarter

Fri 10

Mostly Clear Day Mostly Sunny
69°/49°
Rain drop 4%
Add

Day

69°
Mostly Clear Day
Rain drop
4%
NW 12 mph

Mostly sunny skies. High 69F. Winds NW at 10 to 15 mph.

  • Humidity
    Humidity64%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:41 am
  • Sunset
    Sunset7:39 pm

Night

49°
Mostly Clear Night
Rain drop
5%
NW 10 mph

A mostly clear sky. Low 49F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:01 am
  • Moonset
    Moonset12:35 pm
  • Moon Phase - Day 22 Last Quarter

Sat 11

Mostly Clear Day Mostly Sunny
68°/51°
Rain drop 3%
Add

Day

68°
Mostly Clear Day
Rain drop
3%
NW 11 mph

Mostly sunny skies. High 68F. Winds NW at 10 to 15 mph.

  • Humidity
    Humidity63%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:39 am
  • Sunset
    Sunset7:40 pm

Night

51°
Mostly Clear Night
Rain drop
6%
W 9 mph

Mostly clear skies. Low 51F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:36 am
  • Moonset
    Moonset1:39 pm
  • Moon Phase - Day 23 Waning Crescent

Sun 12

Mostly Clear Day Mostly Sunny
73°/51°
Rain drop 4%
Add

Day

73°
Mostly Clear Day
Rain drop
4%
WNW 10 mph

Sun and a few passing clouds. High 73F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:38 am
  • Sunset
    Sunset7:41 pm

Night

51°
Partly Cloudy Night
Rain drop
18%
W 8 mph

A few clouds from time to time. Low 51F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:06 am
  • Moonset
    Moonset2:44 pm
  • Moon Phase - Day 24 Waning Crescent

Mon 13

Partly Cloudy Day Partly Cloudy
73°/53°
Rain drop 4%
Add

Day

73°
Partly Cloudy Day
Rain drop
4%
WNW 10 mph

Sunshine and clouds mixed. High 73F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:36 am
  • Sunset
    Sunset7:42 pm

Night

53°
Partly Cloudy Night
Rain drop
11%
WSW 8 mph

Partly cloudy. Low 53F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:34 am
  • Moonset
    Moonset3:50 pm
  • Moon Phase - Day 25 Waning Crescent

Tue 14

Partly Cloudy Day Partly Cloudy
73°/54°
Rain drop 10%
Add

Day

73°
Partly Cloudy Day
Rain drop
10%
WNW 10 mph

Partly cloudy. High 73F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity61%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:35 am
  • Sunset
    Sunset7:43 pm

Night

54°
Partly Cloudy Night
Rain drop
22%
W 8 mph

Partly cloudy skies. Low 54F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:59 am
  • Moonset
    Moonset4:57 pm
  • Moon Phase - Day 26 Waning Crescent
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