• Tonight

    May 4

    Lo 49°

    Increasing clouds

    Migraine Headache Weather
    • Hi
      RealFeel
      71°
    • UV
      8 - Very High
    • Cloud
      Cover
      56%
  • Tue

    May 5

    67°Lo 49°

    Mostly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      71°
    • UV
      8 - Very High
    • Cloud
      Cover
      21%
    more
  • Wed

    May 6

    68°Lo 48°

    Mostly sunny and comfortable

    Beneficial weather for migraines
    • Hi
      RealFeel
      72°
    • UV
      8 - Very High
    • Cloud
      Cover
      19%
    more
  • Thu

    May 7

    68°Lo 49°

    Times of clouds and sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      71°
    • UV
      8 - Very High
    • Cloud
      Cover
      46%
    more
  • Fri

    May 8

    69°Lo 50°

    Times of clouds and sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      72°
    • UV
      7 - High
    • Cloud
      Cover
      70%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
8pm
9pm 10pm 11pm Tue
12am
1am 2am 3am
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Mostly Sunny
Partly Cloudy
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Cloudy
Cloudy
Temp (°F) 57° 54° 54° 53° 52° 52° 51° 51°
RealFeel® 52° 50° 51° 51° 51° 51° 51° 50°
Humidity 67% 72% 74% 75% 77% 79% 79% 80%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
0%
 
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0%
 
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0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
0%
 
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  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 12 WNW 9 WNW 7 WNW 6 WNW 6 W 5 SSW 5 S 5 S
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 25% 30% 28% 28% 27% 26% 95% 95%
Dew Point 46° 46° 46° 46° 45° 45° 45° 45°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2014
High 67° 72° 94° (1990) 71°
Low 49° 51° 36° (1902) 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 13:50 of sunlight, then sets at 8:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:45 PM with 10:40 of moolight, then sets at 7:25 AM

Cupertino Weather Report

San Francisco: Seasonable Temperatures to Continue Through Week

May 4, 2015; 1:42 PM ET

A pattern of seasonable temperatures will continue through the first part of the new week, with low clouds in the morning and sunny conditions through the afternoon. more >

Mon. Migraine Headache

Mon. UV Index