Portola Valley, California
Current Conditions -  °F | °C
As of 6:47 PM on Thursday 18 Sep 2014 (Local Time) from KSQL Reporting Station
Scattered Clouds Scattered Clouds  
Wind Chill: 72°   Ceiling: Unl
Heat Index: 72°   Visibility: 10mi
Dew Point: 61°   Wind: 9mph
Humidity: 69%   Direction: 240°WSW
Pressure: 29.84"   Gusts: NA
Location:  37.38°N, 122.24°W
Report Text: KSQL 190147Z 24008KT 10SM SCT025 22/16 A2984
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 76° - Lo 61°
8 PM
Clear
Clear
68°
9 PM
Clear
Clear
66°
10 PM
Clear
Clear
65°
11 PM
Clear
Clear
64°
12 AM
Clear
Clear
64°
1 AM
M Cloudy
M Cloudy
63°
Weather Maps
Daily Forecast -  °F | °C
thu fri sat sun mon tue wed thu fri sat
sep
18
P Cloudy
P Cloudy
76°
61°
sep
19
P Cloudy
P Cloudy
80°
60°
sep
20
P Cloudy
P Cloudy
80°
60°
sep
21
P Cloudy
P Cloudy
79°
60°
sep
22
P Cloudy
P Cloudy
79°
58°
sep
23
P Cloudy
P Cloudy
79°
61°
sep
24
P Cloudy
P Cloudy
77°
60°
sep
25
P Cloudy
P Cloudy
75°
57°
sep
26
P Cloudy
P Cloudy
75°
57°
sep
27
P Cloudy
P Cloudy
79°
59°
Details for Thursday, September 18 (Evening)
Evening: Clear this evening then becoming mostly cloudy after midnight. Low 61F. Winds WNW at 10 to 15 mph.
UV Index: 0 (Low)
Ultraviolet Radiation Index
Relative Humidity: 89%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 35%
Cloud Coverage
Sunrise: 6:53 AM
Sunset: 7:11 PM
 
Moonrise: 1:54 AM
Moonset: 4:02 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (302°)
Speed: 11Mph(17Km, 12Kts)
Details for Friday, September 19
Some clouds in the morning will give way to mainly sunny skies for the afternoon. High around 80F. Winds NW at 10 to 15 mph.
Evening: Mostly clear early then increasing cloudiness overnight. Low around 60F. Winds W at 5 to 10 mph.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 72%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 24%
Cloud Coverage
Sunrise: 6:54 AM
Sunset: 7:10 PM
 
Moonrise: 2:48 AM
Moonset: 4:38 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (308°)
Speed: 12Mph(19Km, 13Kts)
Details for Saturday, September 20
Times of sun and clouds. Highs in the low 80s and lows in the low 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 65%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 22%
Cloud Coverage
Sunrise: 6:55 AM
Sunset: 7:08 PM
 
Moonrise: 3:42 AM
Moonset: 5:12 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (285°)
Speed: 12Mph(19Km, 14Kts)
Details for Sunday, September 21
Mix of sun and clouds. Highs in the upper 70s and lows in the low 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 72%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 23%
Cloud Coverage
Sunrise: 6:56 AM
Sunset: 7:07 PM
 
Moonrise: 4:37 AM
Moonset: 5:44 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (282°)
Speed: 11Mph(18Km, 13Kts)
Details for Monday, September 22
Mix of sun and clouds. Highs in the upper 70s and lows in the upper 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 22%
Cloud Coverage
Sunrise: 6:56 AM
Sunset: 7:05 PM
 
Moonrise: 5:31 AM
Moonset: 6:15 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (302°)
Speed: 11Mph(18Km, 13Kts)
Details for Tuesday, September 23
Mix of sun and clouds. Highs in the upper 70s and lows in the low 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 23%
Cloud Coverage
Sunrise: 6:57 AM
Sunset: 7:04 PM
 
Moonrise: 6:27 AM
Moonset: 6:46 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (294°)
Speed: 12Mph(19Km, 13Kts)
Details for Wednesday, September 24
Partly cloudy. Highs in the upper 70s and lows in the low 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 84%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 49%
Cloud Coverage
Sunrise: 6:58 AM
Sunset: 7:02 PM
 
Moonrise: 7:23 AM
Moonset: 7:17 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  W
Direction: W (267°)
Speed: 12Mph(19Km, 13Kts)
Details for Thursday, September 25
Times of sun and clouds. Highs in the mid 70s and lows in the upper 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 74%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 28%
Cloud Coverage
Sunrise: 6:59 AM
Sunset: 7:01 PM
 
Moonrise: 8:20 AM
Moonset: 7:50 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WNW
Direction: WNW (298°)
Speed: 13Mph(21Km, 15Kts)
Details for Friday, September 26
Times of sun and clouds. Highs in the mid 70s and lows in the upper 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 70%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 36%
Cloud Coverage
Sunrise: 7:00 AM
Sunset: 6:59 PM
 
Moonrise: 9:18 AM
Moonset: 8:26 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  NW
Direction: NW (306°)
Speed: 16Mph(26Km, 19Kts)
Details for Saturday, September 27
Partly cloudy. Highs in the upper 70s and lows in the upper 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 22%
Cloud Coverage
Sunrise: 7:01 AM
Sunset: 6:58 PM
 
Moonrise: 10:17 AM
Moonset: 9:05 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  NW
Direction: NW (312°)
Speed: 15Mph(24Km, 17Kts)
Daily Forecast Chart
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