Portola Valley, California
Current Conditions -  °F | °C
As of 8:47 PM on Sunday 27 Jul 2014 (Local Time) from KPAO Reporting Station
Few Clouds Few Clouds  
Wind Chill: 20°   Ceiling: Unl
Heat Index: 20°   Visibility: 20mi
Dew Point: 16°   Wind: 13mph
Humidity: 78%   Direction: 340°NNW
Pressure: 29.95"   Gusts: NA
Location:  37.38°N, 122.24°W
Report Text: KPAO 280347Z 34011KT 20SM FEW120 20/16 A2995
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 30° - Lo 16°
10 PM
Clear
Clear
21°
11 PM
Clear
Clear
20°
12 AM
Clear
Clear
19°
1 AM
Clear
Clear
18°
2 AM
Clear
Clear
18°
3 AM
Clear
Clear
17°
Weather Maps
Daily Forecast -  °F | °C
sun mon tue wed thu fri sat sun mon tue
jul
27
M Clear
M Clear
30°
16°
jul
28
P Cloudy
P Cloudy
31°
16°
jul
29
M Sunny
M Sunny
31°
16°
jul
30
P Cloudy
P Cloudy
30°
16°
jul
31
M Sunny
M Sunny
29°
15°
aug
01
M Sunny
M Sunny
29°
15°
aug
02
M Sunny
M Sunny
29°
16°
aug
03
M Sunny
M Sunny
28°
16°
aug
04
P Cloudy
P Cloudy
29°
16°
aug
05
Sunny
Sunny
29°
16°
Details for Sunday, July 27 (Evening)
Evening: Clear to partly cloudy. Low 61F. Winds WNW at 5 to 10 mph.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 72%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 19%
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:  WNW
Direction: WNW (298°)
Speed: 8Mph(12Km, 6Kts)
Details for Monday, July 28
Partly cloudy. High 88F. Winds W at 10 to 15 mph.
Evening: Partly cloudy skies. Low 61F. Winds W at 5 to 10 mph.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 53%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 55%
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:  W
Direction: W (269°)
Speed: 12Mph(20Km, 10Kts)
Details for Tuesday, July 29
Plenty of sun. Highs in the upper 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: 21%
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 (291°)
Speed: 11Mph(18Km, 9Kts)
Details for Wednesday, July 30
Partly cloudy. Highs in the mid 80s and lows in the low 60s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 34%
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 (296°)
Speed: 12Mph(20Km, 10Kts)
Details for Thursday, July 31
A few clouds. Highs in the mid 80s and lows in the upper 50s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 28%
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 (290°)
Speed: 13Mph(21Km, 11Kts)
Details for Friday, August 01
Plenty of sun. Highs in the mid 80s and lows in the upper 50s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 70%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 28%
Cloud Coverage
Sunrise: 6:13 AM
Sunset: 8:17 PM
 
Moonrise: 11:34 AM
Moonset: 11:12 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WNW
Direction: WNW (294°)
Speed: 13Mph(21Km, 11Kts)
Details for Saturday, August 02
Mostly sunny. Highs in the mid 80s and lows in the low 60s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 68%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 27%
Cloud Coverage
Sunrise: 6:14 AM
Sunset: 8:16 PM
 
Moonrise: 12:32 PM
Moonset: 11:46 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WNW
Direction: WNW (300°)
Speed: 13Mph(21Km, 11Kts)
Details for Sunday, August 03
A few clouds. Highs in the low 80s and lows in the low 60s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 68%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 12%
Cloud Coverage
Sunrise: 6:15 AM
Sunset: 8:15 PM
 
Moonrise: 1:31 PM
Moonset: 12:01 AM
Moon Phase:  First Quarter
Moonphase:
First Quarter
Wind Direction:  W
Direction: W (275°)
Speed: 13Mph(21Km, 11Kts)
Details for Monday, August 04
Mix of sun and clouds. Highs in the mid 80s and lows in the low 60s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 67%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 17%
Cloud Coverage
Sunrise: 6:16 AM
Sunset: 8:14 PM
 
Moonrise: 2:31 PM
Moonset: 12:25 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  WNW
Direction: WNW (290°)
Speed: 13Mph(21Km, 11Kts)
Details for Tuesday, August 05
Sunny. Highs in the mid 80s and lows in the low 60s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 65%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 5%
Cloud Coverage
Sunrise: 6:17 AM
Sunset: 8:13 PM
 
Moonrise: 3:32 PM
Moonset: 1:08 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  WNW
Direction: WNW (288°)
Speed: 14Mph(23Km, 12Kts)
Daily Forecast Chart
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