• Today

    May 26

    69°Lo 50°

    Cool with clearing

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      70°
    • UV
      8 - Very High
    • Cloud
      Cover
      47%
    more
  • Wed

    May 27

    70°Lo 49°

    Low clouds, then some sun

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      70°
    • UV
      7 - High
    • Cloud
      Cover
      60%
  • Thu

    May 28

    72°Lo 50°

    Low clouds, then some sun

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      73°
    • UV
      7 - High
    • Cloud
      Cover
      67%
    more
  • Fri

    May 29

    74°Lo 52°

    Turning sunny; pleasant

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      74°
    • UV
      7 - High
    • Cloud
      Cover
      46%
    more
  • Sat

    May 30

    75°Lo 51°

    Partly sunny and nice

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      75°
    • UV
      8 - Very High
    • Cloud
      Cover
      39%
    more
Next Previous
Hi 70° RealFeel® 70° Precipitation 1%

Day

N

E

S

W

  • SW 12 mph
  • Gusts: 20 mph

Low clouds followed by some sun

  • Max UV Index: 7 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 49° RealFeel® 47° Precipitation 2%

Night

N

E

S

W

  • WSW 8 mph
  • Gusts: 13 mph

Mostly cloudy

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

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/28/2014
High 70° 78° 98° (1984) 83°
Low 49° 51° 37° (1927) 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:49 AM with 14:35 of sunlight, then sets at 8:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:46 PM with 11:45 of moolight, then sets at 3:31 AM

Napa Weather Report

San Francisco: Seasonable, Dry Weather to Remain Through Late Week

May 27, 2015; 8:33 AM ET

Dry and seasonable weather is forecast for San Francisco 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!

Wed. Sinus Headache

Wed. UV Index