Cupertino, California

current conditions

71°
Clear
Feels Like:  76°
Humidity: 56%
Wind/Dir: 0 Mph / NNE
Visibility: 10.0 Miles
Clouds: CLR at -999ft
Sunrise: 6:29 AM
Sunset: 7:46 PM
Barometer: 29.91
Dewpoint: 55° F
UV: 3
Updated:5:44 PM PDT on April 18, 2014

next 36 hours

Today
Partly Cloudy
Temp: 80° Humidity: 83% Precip: 0% Wind: 11 mph
Tonight
Clear
Temp: 48° Humidity: 47% Precip: 0% Wind: 8 mph
Saturday
Partly Cloudy
Temp: 70° Humidity: 78% Precip: 0% Wind: 10 mph
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Friday, 18
80 | 48 °F
Partly Cloudy
Chance of
Precipitation
0%
Saturday, 19
70 | 46 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 20
79 | 48 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 21
73 | 46 °F
Overcast
Chance of
Precipitation
0%
Tuesday, 22
63 | 46 °F
Clear
Chance of
Precipitation
0%
Wednesday, 23
68 | 46 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 24
70 | 46 °F
Clear
Chance of
Precipitation
0%
Friday, 25
70 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday
partlycloudy Partly cloudy in the morning, then clear. High of 70F. Winds from the WNW at 5 to 15 mph.
Friday Night
nt_clear Clear in the evening, then partly cloudy. Low of 48F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 45 65 | 49 64 | 47 51 | 44
Wind 7 mph WNW 3 mph NNW 10 mph West 2 mph WSW
Humidity 81% 56% 55% 74%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 38% 14% 20% 8%
Conditions Partly Cloudy Clear Clear Clear
Sunrise & Sunset
6:29 AM
7:46 PM
Source: Weather Underground BestForecast  
Saturday
partlycloudy Partly cloudy in the morning, then clear. High of 70F. Winds from the NNW at 5 to 10 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 46F. Winds from the NW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 42 63 | 44 63 | 44 52 | 46
Wind 1 mph West 6 mph North 10 mph NW 6 mph NW
Humidity 71% 49% 48% 78%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 65% 25% 9% 55%
Conditions Mostly Cloudy Clear Clear Partly Cloudy
Sunrise & Sunset
6:28 AM
7:47 PM
Source: Weather Underground BestForecast  
Sunday
partlycloudy Clear in the morning, then partly cloudy. High of 79F. Winds from the NW at 5 to 10 mph.
Sunday Night
nt_clear Clear in the evening, then mostly cloudy. Low of 48F. Winds from the WNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 45 70 | 51 74 | 47 55 | 45
Wind 3 mph WNW 4 mph NW 9 mph NW 4 mph WNW
Humidity 78% 51% 37% 66%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 61% 22% 39% 0%
Conditions Partly Cloudy Clear Partly Cloudy Clear
Sunrise & Sunset
6:26 AM
7:48 PM
Source: Weather Underground BestForecast  
Monday
cloudy Overcast. High of 73F. Winds from the West at 5 to 15 mph.
Monday Night
nt_cloudy Overcast with a chance of rain after midnight. Fog overnight. Low of 46F. Winds from the West at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 44 66 | 44 65 | 44 50 | 48
Wind 4 mph NW 8 mph West 10 mph WNW 5 mph West
Humidity 68% 44% 46% 91%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 90% 99% 99% 100%
Conditions Overcast Overcast Overcast Overcast
Sunrise & Sunset
6:25 AM
7:48 PM
Source: Weather Underground BestForecast  
Tuesday
clear Partly cloudy in the morning, then clear. High of 63F. Breezy. Winds from the WNW at 10 to 25 mph.
Tuesday Night
nt_clear Clear. Low of 46F. Winds from the NW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 49 | 47 58 | 39 53 | 40 51 | 42
Wind 11 mph WNW 16 mph WNW 17 mph WNW 9 mph WNW
Humidity 93% 51% 61% 69%
Chance of Precip. 30% 10% 0% 0%
Cloud Cover 97% 38% 0% 6%
Conditions Chance of Rain Partly Cloudy Clear Clear
Sunrise & Sunset
6:24 AM
7:49 PM
Source: Weather Underground BestForecast  
Wednesday
partlycloudy Partly cloudy. High of 68F. Breezy. Winds from the NW at 10 to 20 mph.
Wednesday Night
nt_partlycloudy Clear. Low of 46F. Winds from the NW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 49 | 42 66 | 40 62 | 42 53 | 43
Wind 8 mph NW 13 mph NW 14 mph WNW 7 mph NW
Humidity 75% 39% 49% 71%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 12% 44% 99% 5%
Conditions Clear Partly Cloudy Overcast Clear
Sunrise & Sunset
6:24 AM
7:49 PM
Source: Weather Underground BestForecast  
Thursday
clear Clear. High of 70F. Winds from the NW at 5 to 15 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 46F. Winds from the WNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 49 | 42 69 | 44 62 | 49 53 | 47
Wind 6 mph NNW 9 mph NW 11 mph WNW 6 mph WNW
Humidity 73% 40% 64% 81%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 16% 16% 8% 100%
Conditions Clear Clear Clear Overcast
Sunrise & Sunset
6:24 AM
7:49 PM
Source: Weather Underground BestForecast  
Friday
partlycloudy Partly cloudy. High of 70F. Winds from the West at 5 to 10 mph.
Friday Night
nt_mostlycloudy Overcast. Fog overnight. Low of 50F. Winds from the SSW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 46 67 | 46 60 | 48 55 | 50
Wind 5 mph WNW 8 mph West 9 mph WSW 7 mph SSW
Humidity 83% 47% 63% 85%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 9% 73% 73% 91%
Conditions Clear Mostly Cloudy Mostly Cloudy Overcast
Sunrise & Sunset
6:24 AM
7:49 PM
Source: Weather Underground BestForecast  
Saturday
chancetstorms Overcast with a chance of a thunderstorm. High of 66F. Winds from the WSW at 5 to 10 mph. Chance of rain 40%.
Saturday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Fog overnight. Low of 46F. Winds from the SW at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 50 64 | 49 56 | 48 47 | 46
Wind 9 mph SSE 5 mph SW 8 mph West 5 mph WSW
Humidity 97% 58% 77% 96%
Chance of Precip. 20% 30% 20% 20%
Cloud Cover 99% 98% 97% 91%
Conditions Chance of Rain Chance of a Thunderstorm Chance of Rain Chance of a Thunderstorm
Sunrise & Sunset
6:24 AM
7:49 PM
Source: Weather Underground BestForecast  
Sunday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 68F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Sunday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Low of 50F. Winds from the SW at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 46 61 | 46 59 | 46 53 | 48
Wind 5 mph SSW 8 mph South 9 mph SW 5 mph SW
Humidity 86% 59% 65% 80%
Chance of Precip. 20% 20% 30% 30%
Cloud Cover 84% 88% 93% 90%
Conditions Chance of Rain Chance of a Thunderstorm Chance of Rain Chance of a Thunderstorm
Sunrise & Sunset
6:24 AM
7:49 PM
Source: Weather Underground BestForecast  
Monday
chancerain Overcast with a chance of rain. High of 70F. Winds from the WSW at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Monday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Low of 50F. Winds from the West at 5 to 10 mph. Chance of rain 50% with rainfall amounts near 0.2 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 48 65 | 48 59 | 48 53 | 47
Wind 4 mph SW 5 mph SW 9 mph West 5 mph West
Humidity 87% 53% 67% 78%
Chance of Precip. 40% 40% 30% 30%
Cloud Cover 88% 93% 98% 93%
Conditions Chance of Rain Chance of Rain Chance of Rain Chance of a Thunderstorm
Sunrise & Sunset
6:24 AM
7:49 PM
Source: Weather Underground BestForecast  
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 46 63 | 44 59 | 42 49 | 41
Wind 4 mph West 5 mph WNW 11 mph WNW 7 mph SW
Humidity 78% 49% 54% 72%
Chance of Precip. 30% 10% 0% 0%
Cloud Cover 89% % % %
Conditions Chance of Rain Clear Clear Clear
Sunrise & Sunset
6:24 AM
7:49 PM
Source: Weather Underground BestForecast  

History & Almanac

Today
Min Temp
Max Temp
Normal
50°F
69°F
Record
42°F
83°F
Year
1950

astronomy

April 18, 2014
Rise
Set
Actual Time
06:29 AM (PDT)
07:46 PM (PDT)
Moon
No Moon Rise
09:54 AM (PDT)
Length of Visible Light
14h 11m
Length of Day
13h 16m
Length of Day Percent
55.28%

Moon Phases

Today
Waning Gibbous
Apr. 22 Last Quarter
Apr. 29 New
May. 06 First Quarter
May. 14 Full

Air Quality

  • Current
  • Good
  • PM2.5
  • Current
  • Good
  • OZONE
  • Friday
  • Good
  • OZONE
  • Saturday
  • Good
  • OZONE
  • Sunday
  • Good
  • OZONE
  • Monday
  • Good
  • OZONE
  • Tuesday
  • Good
  • OZONE
  • Wednesday
  • Good
  • OZONE