• Tonight

    Jul 31

    Lo 60°

    Increasing cloudiness

    Asthma Weather
    • Hi
      RealFeel
      79°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Sat

    Aug 1

    77°Lo 59°

    Low clouds, then some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      77°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Sun

    Aug 2

    77°Lo 57°

    Low clouds, then sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      78°
    • UV
      5 - High
    • Air Qual.
      Good
  • Mon

    Aug 3

    77°Lo 53°

    Clouds, then sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      78°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Tue

    Aug 4

    77°Lo 53°

    Low clouds, then sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      76°
    • UV
      5 - High
    • Air Qual.
      Good
    more
Next Previous
Mainly clear 66° Lo 59° RealFeel® 62° / 56°

N

E

S

W

  • Precipitation: 2%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 86%
  • Cloud Cover: 11%
  • Dew Point: 57° F
  • Visibility: 10 mi
10 mph

Temperature History - Aug 2

more Historical Weather Data >
  Today Normal Record 8/2/2014
High 77° 82° 105° (1946) 85°
Low 57° 55° 44° (1918) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 14:06 of sunlight, then sets at 8:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:51 PM with 12:11 of moolight, then sets at 10:02 AM

Napa Weather Report

San Francisco: Dry Weather Continues in the Bay Area

July 31, 2015; 4:41 PM 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 >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Sun. Asthma Risk

Sun. UV Index