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    1 - 5 of 90 days | All 90 days
    Next 5 Days
    • Early AM

      Sep 28

      Lo
      Clear
      More
    • Today

      Sep 28

      18° /6°
      Sunshine
      More
    • Thu

      Sep 29

      18° /6°
      Sunshine and some clouds
      More
    • Fri

      Sep 30

      16° /7°C
      Increasing cloudiness
    • Sat

      Oct 1

      14° /6°
      Rain and drizzle in the a.m.
      More
    Friday
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    Forecast Partly Sunny Partly Sunny Partly Sunny Partly Sunny Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy
    Temp (°C) 11° 13° 14° 15° 16° 16° 16°
    RealFeel® 10° 13° 16° 18° 19° 19° 19° 17°
    Wind (km/h) 4 NNW 6 N 4 NNE 6 NE 6 E 6 E 6 ESE 7 ESE
    precip
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    Rain
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    Snow
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    Ice
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    SKY
    9am
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    UV Index 1 1 2 3 3 2 2 1
    Cloud Cover 30% 32% 34% 43% 53% 63% 71% 80%
    Humidity 92% 77% 63% 57% 54% 54% 52% 52%
    Dew Point
    Temp °C
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    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/30/2015
    High 16° 16° N/A 17°
    Low N/A

    Sunrise/Sunset

    • Sunrise: 7:20 AM
    • Sunset: 6:59 PM
    • Duration: 11:39 hr

    Moonrise/Moonset

    • Moonrise: 6:54 AM
    • Moonset: 7:09 PM
    • Duration: 12:15 hr
    Astronomy

    Grantham 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 >