• Today

    Apr 27

    84°Lo 50°

    Warmer with sunshine

    Beneficial weather for migraines
    • Hi
      RealFeel
      89°
    • UV
      8 - Very High
    • Cloud
      Cover
      8%
    more
  • Tue

    Apr 28

    76°Lo 48°

    Mostly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      81°
    • UV
      8 - Very High
    • Cloud
      Cover
      20%
  • Wed

    Apr 29

    77°Lo 48°

    Areas of low clouds, then sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      81°
    • UV
      8 - Very High
    • Cloud
      Cover
      43%
    more
  • Thu

    Apr 30

    86°Lo 57°

    Sunny and pleasant

    Beneficial weather for migraines
    • Hi
      RealFeel
      92°
    • UV
      8 - Very High
    • Cloud
      Cover
      0%
    more
  • Fri

    May 1

    85°Lo 53°

    Very warm with sunshine

    Beneficial weather for migraines
    • Hi
      RealFeel
      94°
    • UV
      8 - Very High
    • Cloud
      Cover
      1%
    more
Next Previous
Hi 76° RealFeel® 81° Precipitation 3%

Day

N

E

S

W

  • NNW 9 mph
  • Gusts: 18 mph

Mostly sunny

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 48° RealFeel® 47° Precipitation 4%

Night

N

E

S

W

  • WNW 6 mph
  • Gusts: 14 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 28

more Historical Weather Data >
  Today Normal Record 4/28/2014
High 76° 72° N/A 72°
Low 48° 46° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:38 of sunlight, then sets at 7:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:10 PM with 12:47 of moolight, then sets at 3:57 AM

Los Altos Weather Report

San Francisco: Dry Pattern to Continue After Weekend Showers

April 27, 2015; 10:27 AM ET

Warm and dry conditions will begin the new week in San Francisco. more >

Tue. Migraine Headache

Tue. UV Index