• Early AM

    Aug 21

    Lo 18°

    A couple of showers and thunderstorms

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Aug 21

    24°Lo 17°

    A couple of thunderstorms

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Aug 22

    26°Lo 17°

    A thunderstorm in spots

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Sat

    Aug 23

    24°Lo 17°

    Clouds and sun with a shower

    Moderate ragweed pollen levels
    • Precip
      40%
    • Wind
      Speed
      10 k/h
    • Cloud
      Cover
      46%
    more
  • Sun

    Aug 24

    26°Lo 18°

    Variable clouds, a t-storm

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      11 k/h
    • Cloud
      Cover
      70%
    more
Next Previous
Hi 26° RealFeel® 28° Precipitation 40%

Day

N

E

S

W

  • ESE 6 km/h
  • Gusts: 13 km/h

Variable cloudiness with a shower or thunderstorm in the area

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 2 mm
  • Rain: 2 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 17° RealFeel® 16° Precipitation 25%

Night

N

E

S

W

  • E 6 km/h
  • Gusts: 14 km/h

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 22

more Historical Weather Data >
  Today Normal Record 8/22/2013
High 26° N/A N/A 29°
Low 17° N/A N/A 19°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 13:41 of sunlight, then sets at 8:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:48 AM with 14:31 of moolight, then sets at 6:19 PM

Top Story

Markham Weather Report

Weather Pattern Highlights Into Next Week

August 20, 2014; 10:27 AM ET

A look at the weather pattern across Canada into next week. more >