• Today

    Aug 20

    86°Lo 59°

    A t-storm around in the p.m.

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Aug 21

    86°Lo 60°

    A t-storm around in the p.m.

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Aug 22

    80°Lo 59°

    A couple of thunderstorms

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Aug 23

    87°Lo 60°

    Times of clouds and sun

    Low ragweed pollen levels
    • Precip
      8%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      46%
    more
  • Sun

    Aug 24

    87°Lo 59°

    A t-storm in the afternoon

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      46%
    more
Next Previous
Hi 86° RealFeel® 94° Precipitation 40%

Day

N

E

S

W

  • WSW 4 mph
  • Gusts: 8 mph

Intervals of clouds and sunshine with a thunderstorm in spots in the afternoon

  • Max UV Index: 9 (Very High)
  • Thunderstorms: 60%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 60° RealFeel® 59° Precipitation 40%

Night

N

E

S

W

  • WNW 3 mph
  • Gusts: 7 mph

A thunderstorm in spots in the evening; otherwise, patchy clouds

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

San Ysidro Pollen Levels - August 21

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 86° 87° 97° (2007) 89°
Low 60° 65° 55° (1980) 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 13:18 of sunlight, then sets at 7:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:07 AM with 14:10 of moolight, then sets at 5:17 PM

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps