• Tonight

    Aug 20

    Lo 18°

    A couple of thunderstorms

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Thu

    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
    more
  • 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
Mostly cloudy 22° RealFeel® 22°

N

E

S

W

  • Humidity: 77%
  • Pressure: 1013.20 mb ↓
  • UV Index: 0
  • Cloud Cover: 85%
  • Ceiling: 1471 m
  • Dew Point: 18° C
  • Visibility: 24 km
15 km/h

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 13:48 of sunlight, then sets at 8:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:02 AM with 14:58 of moolight, then sets at 5:00 PM

Temperature Summary - 7:05 PM

  Temp (°C)
Now 22°
Yesterday 24°
RealFeel® 22°
RealFeel® Shade 21°
Wind Chill 22°
Dew Point 18°
  Hi / Lo
Previous 6 Hours 24°
  22°
Previous 12 Hours 24°
  16°
Previous 24 Hours 24°
  16°

Temperature History - Aug 20

more Historical Weather Data >
  Today Normal Record 8/20/2013
High 24° N/A N/A 30°
Low 18° N/A N/A 17°

Precipitation Summary - 7:05 PM

  Amount (mm)
Previous 1 Hour 0
Previous 3 Hours 0
Previous 6 Hours 0
Previous 9 Hours 0
Previous 12 Hours 0
Previous 18 Hours 0
Previous 24 Hours 1
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 >