Portola Valley, California
Current Conditions -  °F | °C
As of 7:47 AM on Tuesday 02 Sep 2014 (Local Time) from KPAO Reporting Station
Few Clouds Few Clouds  
Wind Chill: 64°   Ceiling: Unl
Heat Index: 64°   Visibility: 10mi
Dew Point: 61°   Wind: 3mph
Humidity: 88%   Direction: NA
Pressure: 29.84"   Gusts: NA
Location:  37.38°N, 122.24°W
Report Text: KPAO 021447Z VRB03KT 10SM FEW010 18/16 A2984
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 78° - Lo 58°
9 AM
M Sunny
M Sunny
67°
10 AM
Sunny
Sunny
69°
11 AM
Sunny
Sunny
72°
12 PM
Sunny
Sunny
74°
1 PM
Sunny
Sunny
75°
2 PM
Sunny
Sunny
77°
Weather Maps
Daily Forecast -  °F | °C
tue wed thu fri sat sun mon tue wed thu
sep
02
Sunny
Sunny
78°
58°
sep
03
Sunny
Sunny
82°
58°
sep
04
Sunny
Sunny
83°
59°
sep
05
P Cloudy
P Cloudy
82°
58°
sep
06
Sunny
Sunny
82°
58°
sep
07
P Cloudy
P Cloudy
80°
58°
sep
08
P Cloudy
P Cloudy
80°
57°
sep
09
P Cloudy
P Cloudy
80°
58°
sep
10
P Cloudy
P Cloudy
83°
59°
sep
11
P Cloudy
P Cloudy
83°
60°
Details for Tuesday, September 02
Sunny. High 78F. Winds WNW at 10 to 15 mph.
Evening: A few clouds. Low 58F. Winds WSW at 10 to 15 mph.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 12%
Cloud Coverage
Sunrise: 6:40 AM
Sunset: 7:36 PM
 
Moonrise: 2:20 PM
Moonset: 12:01 AM
Moon Phase:  First Quarter
Moonphase:
First Quarter
Wind Direction:  WNW
Direction: WNW (289°)
Speed: 13Mph(21Km, 15Kts)
Details for Wednesday, September 03
Mainly sunny. High 82F. SSE winds shifting to NW at 10 to 15 mph.
Evening: Clear. Low 58F. Winds WSW at 10 to 15 mph.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 5%
Cloud Coverage
Sunrise: 6:41 AM
Sunset: 7:34 PM
 
Moonrise: 3:17 PM
Moonset: 12:43 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NW
Direction: NW (307°)
Speed: 10Mph(17Km, 12Kts)
Details for Thursday, September 04
Sunny. Highs in the low 80s and lows in the upper 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 64%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 6%
Cloud Coverage
Sunrise: 6:42 AM
Sunset: 7:33 PM
 
Moonrise: 4:11 PM
Moonset: 1:41 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  WNW
Direction: WNW (286°)
Speed: 10Mph(17Km, 12Kts)
Details for Friday, September 05
Mix of sun and clouds. Highs in the low 80s and lows in the upper 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 13%
Cloud Coverage
Sunrise: 6:42 AM
Sunset: 7:31 PM
 
Moonrise: 5:01 PM
Moonset: 2:46 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  WNW
Direction: WNW (294°)
Speed: 10Mph(17Km, 12Kts)
Details for Saturday, September 06
Sunny. Highs in the low 80s and lows in the upper 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 8%
Cloud Coverage
Sunrise: 6:43 AM
Sunset: 7:30 PM
 
Moonrise: 5:48 PM
Moonset: 3:54 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NW
Direction: NW (314°)
Speed: 11Mph(17Km, 12Kts)
Details for Sunday, September 07
Times of sun and clouds. Highs in the low 80s and lows in the upper 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 67%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 18%
Cloud Coverage
Sunrise: 6:44 AM
Sunset: 7:28 PM
 
Moonrise: 6:31 PM
Moonset: 5:05 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NW
Direction: NW (313°)
Speed: 12Mph(19Km, 13Kts)
Details for Monday, September 08
Times of sun and clouds. Highs in the low 80s and lows in the upper 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 64%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 18%
Cloud Coverage
Sunrise: 6:45 AM
Sunset: 7:27 PM
 
Moonrise: 7:11 PM
Moonset: 6:17 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  WNW
Direction: WNW (297°)
Speed: 12Mph(20Km, 14Kts)
Details for Tuesday, September 09
Times of sun and clouds. Highs in the low 80s and lows in the upper 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 16%
Cloud Coverage
Sunrise: 6:46 AM
Sunset: 7:25 PM
 
Moonrise: 7:51 PM
Moonset: 7:28 AM
Moon Phase:  Full
Moonphase:
Full
Wind Direction:  WNW
Direction: WNW (285°)
Speed: 13Mph(21Km, 15Kts)
Details for Wednesday, September 10
Times of sun and clouds. Highs in the low 80s and lows in the upper 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 20%
Cloud Coverage
Sunrise: 6:47 AM
Sunset: 7:23 PM
 
Moonrise: 8:30 PM
Moonset: 8:39 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NW
Direction: NW (312°)
Speed: 12Mph(20Km, 14Kts)
Details for Thursday, September 11
Partly cloudy. Highs in the low 80s and lows in the low 60s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 16%
Cloud Coverage
Sunrise: 6:47 AM
Sunset: 7:22 PM
 
Moonrise: 9:10 PM
Moonset: 9:47 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NW
Direction: NW (315°)
Speed: 12Mph(20Km, 14Kts)
Daily Forecast Chart
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