• Tonight

    Aug 4

    Lo 56°

    Turning cloudy

    Driving Weather
    • Precip
      25%
    • Hours of Precip
      0
    • Rain
      0 in
  • Wed

    Aug 5

    80°Lo 55°

    Low clouds, then sunshine

    Excellent for driving
    • Precip
      12%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Thu

    Aug 6

    80°Lo 58°

    Low clouds breaking

    Excellent for driving
    • Precip
      13%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Fri

    Aug 7

    76°Lo 55°

    Low clouds breaking

    Excellent for driving
    • Precip
      8%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sat

    Aug 8

    78°Lo 55°

    Mostly sunny

    Excellent for driving
    • Precip
      1%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Partly Sunny
Cloudy
Cloudy
Mostly Cloudy
Cloudy
Cloudy
Partly Sunny
Sunny
Temp (°F) 72° 68° 70° 72° 73° 73° 76° 73°
RealFeel® 74° 71° 76° 75° 74° 72° 75° 71°
Humidity 53% 58% 57% 51% 51% 49% 46% 49%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (mph) 12 W 10 W 6 WSW 10 SW 12 WSW 13 W 14 W 14 W
UV Index 5 5 5 5 4 2 2 1
Cloud Cover 35% 90% 90% 75% 100% 100% 35% 0%
Dew Point 54° 53° 54° 53° 54° 53° 54° 53°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2014
High 76° 82° 106° (1998) 75°
Low 56° 55° 46° (1949) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:13 AM with 14:03 of sunlight, then sets at 8:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:08 PM with 13:11 of moolight, then sets at 12:19 PM

Napa Weather Report

San Francisco: Seasonable Conditions to Persist Through Week

August 4, 2015; 5:50 PM ET

Dry and seasonable conditions will continue across the San Francisco Bay area this week. more >

Travel Weather Forecast

Aug 04, 2015; 5:40 PM ET United States travel weather forecast

Tue. Travel Weather

48 Hour Precipitation Forecast

Tue. Driving Weather