• Today

    Jul 31

    82°Lo 62°

    A passing afternoon shower

    Excellent for driving
    • Precip
      50%
    • Hours of Precip
      0.5
    • Rain
      0.03 in
  • Sat

    Aug 1

    81°Lo 62°

    Low clouds break for some sun

    Excellent for driving
    • Precip
      2%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sun

    Aug 2

    79°Lo 61°

    Low clouds, then sun

    Excellent for driving
    • Precip
      2%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Mon

    Aug 3

    78°Lo 59°

    Low clouds, then sunshine

    Excellent for driving
    • Precip
      3%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Tue

    Aug 4

    77°Lo 57°

    Low clouds followed by sun

    Excellent for driving
    • Precip
      1%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
1pm
2pm 3pm 4pm 5pm 6pm 7pm 8pm
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Partly Cloudy
Showers
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 79° 81° 82° 80° 79° 77° 74° 71°
RealFeel® 85° 83° 86° 83° 79° 76° 72° 68°
Humidity 49% 47% 48% 51% 54% 57% 62% 69%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
0%
 
51%
 
47%
 
35%
 
17%
 
17%
 
11%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 7 NNE 9 NNE 9 N 9 NNW 9 NW 9 WNW 8 WNW 7 WNW
UV Index 7 6 6 5 3 1 0 0
Cloud Cover 74% 78% 45% 36% 26% 26% 26% 26%
Dew Point 59° 59° 61° 61° 61° 61° 60° 60°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 82° 82° 101° (1993) 80°
Low 62° 58° 42° (1895) 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 14:05 of sunlight, then sets at 8:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:26 PM with 11:16 of moolight, then sets at 7:42 AM

Cupertino Weather Report

San Francisco: Dry Weather Continues in the Bay Area

July 31, 2015; 10:41 AM ET

The only fly in the ointment in the forecast will be low morning clouds which may cause travel delays at San Francisco International Airport. more >

Travel Weather Forecast

Jul 31, 2015; 8:46 AM ET United States travel weather forecast

Fri. Travel Weather

48 Hour Precipitation Forecast

Fri. Driving Weather