Portola Valley, California
Current Conditions -  °F | °C
As of 11:47 AM on Tuesday 22 Jul 2014 (Local Time) from KPAO Reporting Station
Broken Clouds Broken Clouds  
Wind Chill: 73°   Ceiling: 3000
Heat Index: 73°   Visibility: 30mi
Dew Point: 61°   Wind: 9mph
Humidity: 65%   Direction: 20°NNE
Pressure: 30.08"   Gusts: NA
Location:  37.38°N, 122.24°W
Report Text: KPAO 221847Z 02008KT 30SM BKN030 23/16 A3008
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 80° - Lo 61°
1 PM
Sunny
Sunny
78°
2 PM
Sunny
Sunny
80°
3 PM
Sunny
Sunny
80°
4 PM
Sunny
Sunny
78°
5 PM
Sunny
Sunny
76°
6 PM
Sunny
Sunny
74°
Weather Maps
Daily Forecast -  °F | °C
tue wed thu fri sat sun mon tue wed thu
jul
22
Sunny
Sunny
80°
61°
jul
23
P Cloudy
P Cloudy
77°
58°
jul
24
Sunny
Sunny
85°
58°
jul
25
AM Clouds
AM Clouds
89°
59°
jul
26
AM Clouds
AM Clouds
88°
59°
jul
27
P Cloudy
P Cloudy
87°
60°
jul
28
P Cloudy
P Cloudy
85°
61°
jul
29
Sunny
Sunny
85°
61°
jul
30
Sunny
Sunny
85°
60°
jul
31
Sunny
Sunny
83°
60°
Details for Tuesday, July 22
Sunny. High near 80F. ENE winds shifting to WNW at 10 to 20 mph.
Evening: Partly cloudy early with increasing clouds overnight. Low 61F. Winds WNW at 10 to 15 mph.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 52%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 42%
Cloud Coverage
Sunrise: 6:05 AM
Sunset: 8:25 PM
 
Moonrise: 2:42 AM
Moonset: 5:08 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  N
Direction: N (358°)
Speed: 14Mph(23Km, 12Kts)
Details for Wednesday, July 23
Partly cloudy skies. High 77F. Winds NW at 10 to 20 mph.
Evening: Clear skies. Low 58F. Winds WNW at 10 to 20 mph.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 67%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 28%
Cloud Coverage
Sunrise: 6:06 AM
Sunset: 8:24 PM
 
Moonrise: 3:29 AM
Moonset: 5:58 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (312°)
Speed: 15Mph(24Km, 13Kts)
Details for Thursday, July 24
Abundant sunshine. Highs in the mid 80s and lows in the upper 50s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 5%
Cloud Coverage
Sunrise: 6:07 AM
Sunset: 8:24 PM
 
Moonrise: 4:19 AM
Moonset: 6:44 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (310°)
Speed: 13Mph(21Km, 11Kts)
Details for Friday, July 25
Morning clouds followed by afternoon sun. Highs in the upper 80s and lows in the upper 50s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 54%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 25%
Cloud Coverage
Sunrise: 6:07 AM
Sunset: 8:23 PM
 
Moonrise: 5:11 AM
Moonset: 7:25 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (309°)
Speed: 13Mph(21Km, 11Kts)
Details for Saturday, July 26
Clouds giving way to sun . Highs in the upper 80s and lows in the upper 50s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 53%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 23%
Cloud Coverage
Sunrise: 6:08 AM
Sunset: 8:22 PM
 
Moonrise: 6:04 AM
Moonset: 8:02 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (318°)
Speed: 13Mph(21Km, 11Kts)
Details for Sunday, July 27
Partly cloudy. Highs in the upper 80s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 55%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 58%
Cloud Coverage
Sunrise: 6:09 AM
Sunset: 8:21 PM
 
Moonrise: 6:59 AM
Moonset: 8:37 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  NW
Direction: NW (314°)
Speed: 13Mph(21Km, 11Kts)
Details for Monday, July 28
Partly cloudy. Highs in the mid 80s and lows in the low 60s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 55%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 49%
Cloud Coverage
Sunrise: 6:10 AM
Sunset: 8:20 PM
 
Moonrise: 7:53 AM
Moonset: 9:09 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  NW
Direction: NW (312°)
Speed: 11Mph(18Km, 9Kts)
Details for Tuesday, July 29
Abundant sunshine. Highs in the mid 80s and lows in the low 60s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 59%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 5%
Cloud Coverage
Sunrise: 6:11 AM
Sunset: 8:19 PM
 
Moonrise: 8:48 AM
Moonset: 9:40 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WNW
Direction: WNW (293°)
Speed: 12Mph(20Km, 10Kts)
Details for Wednesday, July 30
Sunny. Highs in the mid 80s and lows in the low 60s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 8%
Cloud Coverage
Sunrise: 6:12 AM
Sunset: 8:19 PM
 
Moonrise: 9:43 AM
Moonset: 10:10 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WNW
Direction: WNW (297°)
Speed: 14Mph(23Km, 12Kts)
Details for Thursday, July 31
Mainly sunny. Highs in the low 80s and lows in the low 60s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 16%
Cloud Coverage
Sunrise: 6:12 AM
Sunset: 8:18 PM
 
Moonrise: 10:38 AM
Moonset: 10:40 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WNW
Direction: WNW (299°)
Speed: 15Mph(24Km, 13Kts)
Daily Forecast Chart
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