• Today

    May 20

    84°Lo 54°

    Mostly sunny

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High

  • Tue

    May 21

    69°Lo 47°

    Sunny and cooler but pleasant

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
    more

  • Wed

    May 22

    71°Lo 48°

    Sunshine and patchy clouds

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
    more

  • Thu

    May 23

    69°Lo 48°

    Partly sunny and nice

    Extreme indoor dust & dander levels
    • Precip
      2%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      26%
    more

  • Fri

    May 24

    70°Lo 49°

    Mostly sunny and cool

    Very High indoor dust & dander levels
    • Precip
      1%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      11%
    more
Next Previous
Hi 84° RealFeel® 87° Precipitation 1%

Day

N

E

S

W

  • WNW 7 mph
  • Gusts: 17 mph

Mostly sunny

  • Max UV Index: 9 (Very High)
  • Thunderstorms: 3%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 54° RealFeel® 51° Precipitation 0%

Night

N

E

S

W

  • ENE 5 mph
  • Gusts: 11 mph

Mainly clear

  • 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

San Jose Pollen Levels - May 20

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Moderate

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 20

more Historical Weather Data >
  Today Normal Record 5/20/2012
High 84° 75° 97° (1988) 82°
Low 54° 53° 45° (1976) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:55 AM with 14:19 of sunlight, then sets at 8:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:33 PM with 11:47 of moolight, then sets at 3:20 AM

Smoke Alert: The Hidden Dangers of E-Cigarettes

May 20, 2013; 5:00 AM ET E-cigarette manufacturers claim the devices can help a person quit smoking but have those claims ever been proven?

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps