Portola Valley, California
Current Conditions -  °F | °C
As of 12:47 PM on Tuesday 23 Sep 2014 (Local Time) from KSQL Reporting Station
Few Clouds Few Clouds  
Wind Chill: 21°   Ceiling: Unl
Heat Index: 21°   Visibility: 10mi
Dew Point: 16°   Wind: 7mph
Humidity: 73%   Direction: 10°N
Pressure: 30"   Gusts: NA
Location:  37.38°N, 122.24°W
Report Text: KSQL 231947Z 01006KT 10SM FEW150 21/16 A3000
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Personal Weather Stations






























Hourly Forecast -  °F | °C
Hi 25° - Lo 16°
2 PM
Sunny
Sunny
25°
3 PM
Sunny
Sunny
25°
4 PM
Sunny
Sunny
25°
5 PM
Sunny
Sunny
24°
6 PM
Sunny
Sunny
23°
7 PM
Sunny
Sunny
21°
Weather Maps
Daily Forecast -  °F | °C
tue wed thu fri sat sun mon tue wed thu
sep
23
Sunny
Sunny
25°
16°
sep
24
P Cloudy
P Cloudy
27°
17°
sep
25
AM Showers
AM Showers
24°
15°
sep
26
P Cloudy
P Cloudy
23°
14°
sep
27
P Cloudy
P Cloudy
23°
14°
sep
28
P Cloudy
P Cloudy
24°
14°
sep
29
P Cloudy
P Cloudy
25°
14°
sep
30
P Cloudy
P Cloudy
26°
14°
oct
01
P Cloudy
P Cloudy
27°
14°
oct
02
P Cloudy
P Cloudy
28°
16°
Details for Tuesday, September 23
Plentiful sunshine. High 78F. Winds NW at 10 to 15 mph.
Evening: Mostly clear this evening then becoming mostly cloudy after midnight. Low 61F. Winds W at 5 to 10 mph.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 58%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 4%
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:  NNW
Direction: NNW (329°)
Speed: 12Mph(19Km, 14Kts)
Details for Wednesday, September 24
Some clouds in the morning will give way to mainly sunny skies for the afternoon. High around 80F. SSW winds shifting to WNW at 10 to 15 mph.
Evening: Partly cloudy skies early followed by increasing clouds with showers developing later at night. Low 63F. Winds WNW at 5 to 10 mph. Chance of rain 70%.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 73%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 23%
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 (278°)
Speed: 13Mph(20Km, 14Kts)
Details for Thursday, September 25
A few morning showers. Highs in the mid 70s and lows in the upper 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 68%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 34%
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:  NW
Direction: NW (324°)
Speed: 11Mph(18Km, 13Kts)
Details for Friday, September 26
Times of sun and clouds. Highs in the low 70s and lows in the upper 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 72%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 28%
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:  WNW
Direction: WNW (302°)
Speed: 14Mph(22Km, 16Kts)
Details for Saturday, September 27
Partly cloudy. Highs in the low 70s and lows in the upper 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 72%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 26%
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:  WNW
Direction: WNW (287°)
Speed: 14Mph(23Km, 17Kts)
Details for Sunday, September 28
Mix of sun and clouds. Highs in the mid 70s and lows in the upper 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 28%
Cloud Coverage
Sunrise: 7:01 AM
Sunset: 6:56 PM
 
Moonrise: 11:15 AM
Moonset: 9:49 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  W
Direction: W (277°)
Speed: 13Mph(20Km, 15Kts)
Details for Monday, September 29
Times of sun and clouds. Highs in the upper 70s and lows in the upper 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 67%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 21%
Cloud Coverage
Sunrise: 7:02 AM
Sunset: 6:55 PM
 
Moonrise: 12:14 PM
Moonset: 10:39 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WNW
Direction: WNW (297°)
Speed: 13Mph(21Km, 15Kts)
Details for Tuesday, September 30
Times of sun and clouds. Highs in the upper 70s and lows in the upper 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 59%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 21%
Cloud Coverage
Sunrise: 7:03 AM
Sunset: 6:53 PM
 
Moonrise: 1:10 PM
Moonset: 11:33 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  NW
Direction: NW (316°)
Speed: 15Mph(24Km, 17Kts)
Details for Wednesday, October 01
Partly cloudy. Highs in the low 80s and lows in the upper 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 50%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 20%
Cloud Coverage
Sunrise: 7:04 AM
Sunset: 6:52 PM
 
Moonrise: 2:04 PM
Moonset: 12:01 AM
Moon Phase:  First Quarter
Moonphase:
First Quarter
Wind Direction:  NNW
Direction: NNW (333°)
Speed: 13Mph(20Km, 15Kts)
Details for Thursday, October 02
Times of sun and clouds. Highs in the low 80s and lows in the low 60s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 44%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 21%
Cloud Coverage
Sunrise: 7:05 AM
Sunset: 6:50 PM
 
Moonrise: 2:54 PM
Moonset: 12:34 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NNE
Direction: NNE (12°)
Speed: 11Mph(18Km, 13Kts)
Daily Forecast Chart
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