, °C

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Tonight

      Sep 27

      11° Lo C
      Cloudy
      • Sinus Headache
      • Weather
      • Hi RealFeel: 20°
      • UV: 4 - Moderate
      • Cloud Cover: 59%
    • Wed

      Sep 28

      22° /14°
      A passing shower or two
      • Neutral
      • weather for sinus headaches
      • Hi RealFeel: 22°
      • UV: 4 - Moderate
      • Cloud Cover: 77%
      More
    • Thu

      Sep 29

      16° /13°
      Mostly cloudy, showers around
      • Neutral
      • weather for sinus headaches
      • Hi RealFeel: 14°
      • UV: 4 - Moderate
      • Cloud Cover: 90%
      More
    • Fri

      Sep 30

      17° /15°
      Cloudy, a little rain; breezy
      • Neutral
      • weather for sinus headaches
      • Hi RealFeel: 15°
      • UV: 4 - Moderate
      • Cloud Cover: 96%
      More
    • Sat

      Oct 1

      19° /14°
      Cloudy with showers
      • Neutral
      • weather for sinus headaches
      • Hi RealFeel: 18°
      • UV: 2 - Low
      • Cloud Cover: 96%
      More
    Tuesday
    10pm
    11pm
    12am
    1am
    2am
    3am
    4am
    5am
    Forecast Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Temp (°C) 14° 13° 13° 12° 12° 11° 13° 13°
    RealFeel® 11° 11° 10° 12° 11° 12° 12°
    Wind (km/h) 18 SSW 18 SSW 17 S 17 SSE 7 SE 7 SE 9 SE 9 SE
    precip
    10pm
    11pm
    12am
    1am
    2am
    3am
    4am
    5am
    Rain
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    10pm
    11pm
    12am
    1am
    2am
    3am
    4am
    5am
    UV Index 0 0 0 0 0 0 0 0
    Cloud Cover 95% 95% 95% 95% 95% 95% 95% 95%
    Humidity 67% 68% 69% 75% 72% 84% 82% 85%
    Dew Point 10° 11°
    Temp °C
    10pm
    11pm
    12am
    1am
    2am
    3am
    4am
    5am
    15° 10°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2015
    High 21° 18° N/A 21°
    Low 11° N/A 11°

    Sunrise/Sunset

    • Sunrise: 7:11 AM
    • Sunset: 7:04 PM
    • Duration: 11:53 hr

    Moonrise/Moonset

    • Moonrise: 3:41 AM
    • Moonset: 5:35 PM
    • Duration: 13:54 hr
    Astronomy

    Markham Weather Report

    October to start mild in the East

    September 27, 2016; 12:08 PM ET

    Some needed rainfall for southern Ontario this week. More >