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    • Today

      Sep 27

      21° /7°
      Sun and some clouds
      • Lawn Mowing
        • Lawn Mowing
        • Soil Moisture
        • Composting
      • Excellent
      • for lawn mowing
      • Hours of Precip: 0
      • Precip: 5%
      • Hi RealFeel: 22°
      More
    • Wed

      Sep 28

      20° /7°
      Partly sunny
      • Excellent
      • for lawn mowing
      • Hours of Precip: 0
      • Precip: 14%
      • Hi RealFeel: 21°
      More
    • Thu

      Sep 29

      18° /7°
      Sun mixing with clouds
      • Excellent
      • for lawn mowing
      • Hours of Precip: 0
      • Precip: 4%
      • Hi RealFeel: 16°
      More
    • Fri

      Sep 30

      17° /8°C
      Partly sunny
      • Very Good
      • for lawn mowing
      • Hours of Precip: 0
      • Precip: 4%
      • Hi RealFeel: 17°
    • Sat

      Oct 1

      20° /10°
      Mostly cloudy
      • Very Good
      • for lawn mowing
      • Hours of Precip: 0
      • Precip: 6%
      • Hi RealFeel: 19°
      More

    Day

    17°Hi RealFeel® 17° Precipitation 4%
    Partly sunny
    • NE 20 km/h
    • Gusts: 28 km/h
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 0%
    • Precipitation: 0 mm
    • Rain: 0 mm
    • Snow: 0 CM
    • Ice: 0 mm
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    Lo RealFeel® 7° Precipitation 4%
    Increasing cloudiness
    • NE 11 km/h
    • Gusts: 17 km/h
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 mm
    • Rain: 0 mm
    • Snow: 0 CM
    • Ice: 0 mm
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/30/2015
    High 17° 19° N/A 13°
    Low N/A

    Sunrise/Sunset

    • Sunrise: 6:52 AM
    • Sunset: 6:34 PM
    • Duration: 11:42 hr

    Moonrise/Moonset

    • Moonrise: 6:19 AM
    • Moonset: 6:39 PM
    • Duration: 12:20 hr
    Astronomy

    Longueuil Weather Report

    October to start out mild in the East

    September 27, 2016; 12:08 PM ET

    Some needed rainfall for southern Ontario this week. More >