• Tonight

    May 19

    Lo 66°

    A thunderstorm in spots late

    Dust & Dander Weather
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      650 - High
    more

  • Mon

    May 20

    88°Lo 67°

    Strong t-storms, mainly later

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

  • Tue

    May 21

    84°Lo 64°

    A couple of strong t-storms

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

  • Wed

    May 22

    82°Lo 57°

    A couple of thunderstorms

    Extreme indoor dust & dander levels
    • Precip
      60%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      62%
    more

  • Thu

    May 23

    66°Lo 47°

    Cooler with a shower

    Extreme indoor dust & dander levels
    • Precip
      58%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      77%
    more
Next Previous
Hi 88° RealFeel® 89° Precipitation 65%

Day

N

E

S

W

  • S 12 mph
  • Gusts: 21 mph

A couple of thunderstorms around, mainly later, when they can be strong; warm with periods of sun

  • Max UV Index: 6 (High)
  • Thunderstorms: 95%
  • Precipitation: 0.34 in
  • Rain: 0.34 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs
Lo 67° RealFeel® 61° Precipitation 64%

Night

N

E

S

W

  • SSE 7 mph
  • Gusts: 15 mph

Partly cloudy and warm with a couple of showers and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.5 in
  • Rain: 0.5 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs

Westmont 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 88° 71° N/A 93°
Low 67° 49° N/A 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:28 AM with 14:42 of sunlight, then sets at 8:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:13 PM with 11:44 of moolight, then sets at 2:57 AM

How Weather Impacts Seasonal Allergy Symptoms

May 18, 2013; 5:00 AM ET If you suffer with seasonal allergies, the weather can relieve or worsen your symptoms. Marja Martinez has the details.

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps