• Tonight

    Aug 4

    Lo 56°

    Turning cloudy

    Sinus Headache Weather
    • Hi
      RealFeel
      76°
    • UV
      4 - Moderate
    • Cloud
      Cover
      52%
  • Wed

    Aug 5

    80°Lo 55°

    Low clouds, then sunshine

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      79°
    • UV
      5 - High
    • Cloud
      Cover
      53%
    more
  • Thu

    Aug 6

    80°Lo 58°

    Low clouds breaking

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      81°
    • UV
      5 - High
    • Cloud
      Cover
      70%
    more
  • Fri

    Aug 7

    76°Lo 55°

    Low clouds breaking

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      78°
    • UV
      5 - High
    • Cloud
      Cover
      60%
    more
  • Sat

    Aug 8

    78°Lo 55°

    Mostly sunny

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      79°
    • UV
      5 - High
    • Cloud
      Cover
      24%
    more
Next Previous
Hi 76° RealFeel® 76° Precipitation 25%

Day

N

E

S

W

  • WSW 12 mph
  • Gusts: 23 mph

Intervals of clouds and sunshine; a refreshing breeze this afternoon

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 9%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 56° RealFeel® 52° Precipitation 10%

Night

N

E

S

W

  • W 9 mph
  • Gusts: 20 mph

Partly cloudy this evening; late-night low clouds

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

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 >

New Year, New You

Dec 24, 2012; 5:00 AM ET Start 2013 right with these tips on how to set realistic New Year's resolutions!

Tue. Sinus Headache

Tue. UV Index