• Early AM

    May 20

    Lo 69°

    Clearing

    Dust & Dander Weather
    • Grass
      Pollen
      10 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      50 - Moderate
    more

  • Today

    May 20

    82°Lo 66°

    A shower or heavy t-storm

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      10 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      50 - Moderate
    more

  • Tue

    May 21

    85°Lo 67°

    Partly sunny and humid

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      10 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      50 - Moderate

  • Wed

    May 22

    85°Lo 67°

    Partly sunny and humid

    Extreme indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      66%
    more

  • Thu

    May 23

    89°Lo 67°

    Partly sunny with a t-storm

    Extreme indoor dust & dander levels
    • Precip
      56%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      40%
    more
Next Previous
Hi 85° RealFeel® 92° Precipitation 25%

Day

N

E

S

W

  • E 6 mph
  • Gusts: 12 mph

Partly sunny and humid

  • Max UV Index: 9 (Very High)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 67° RealFeel® 65° Precipitation 55%

Night

N

E

S

W

  • ESE 3 mph
  • Gusts: 10 mph

An evening shower or thunderstorm around; otherwise, partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Richmond Hill Pollen Levels - May 21

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Moderate

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 85° 86° 98° (1962) 85°
Low 67° 64° 46° (2002) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 13:54 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:43 PM with 11:33 of moolight, then sets at 4:16 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.

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps