• Tonight

    Apr 19

    Lo 50°

    Partly cloudy

    Dust & Dander Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sun

    Apr 20

    79°Lo 52°

    Partly sunny and pleasant

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Mon

    Apr 21

    71°Lo 52°

    Partly sunny

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Tue

    Apr 22

    62°Lo 46°

    Cooler with a passing shower

    Low indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      76%
    more
  • Wed

    Apr 23

    68°Lo 49°

    Mostly sunny and cool

    Low indoor dust & dander levels
    • Precip
      3%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      17%
    more
Next Previous
Hi 71° RealFeel® 73° Precipitation 25%

Day

N

E

S

W

  • WNW 8 mph
  • Gusts: 14 mph

Partly sunny

  • Max UV Index: 7 (High)
  • Thunderstorms: 7%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 52° RealFeel® 47° Precipitation 25%

Night

N

E

S

W

  • WNW 5 mph
  • Gusts: 10 mph

Overcast in the evening; partly cloudy late

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • 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 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 71° 70° 92° (2009) 84°
Low 52° 49° 37° (1968) 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 13:23 of sunlight, then sets at 7:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:21 AM with 10:38 of moolight, then sets at 11:59 AM

Top Story

San Jose Weather Report

Chance of Rain in San Francisco on Tuesday

April 19, 2014; 9:09 PM ET

There hasn't been any measurable precipitation in San Francisco since April 4. more >

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Mon. Dust & Dander

Mon. Wind Maps