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    • Today

      Sep 30

      18° /9°
      Mostly cloudy
      • Driving
        • Driving
        • Fuel Economy
      • Excellent
      • for driving
      • Precip: 2%
      • Hours of Precip: 0
      • Rain: 0 mm
      More
    • Sat

      Oct 1

      16° /10°
      Cloudy
      • Excellent
      • for driving
      • Precip: 13%
      • Hours of Precip: 0
      • Rain: 0 mm
      More
    • Sun

      Oct 2

      17° /9°
      Cloudy with a shower or two
      • Very Good
      • for driving
      • Precip: 60%
      • Hours of Precip: 3
      • Rain: 5 mm
      More
    • Mon

      Oct 3

      19° /8°
      Cloudy with a shower
      • Very Good
      • for driving
      • Precip: 54%
      • Hours of Precip: 1.5
      • Rain: 3 mm
      More
    • Tue

      Oct 4

      20° /7°C
      Mostly sunny and nice
      • Excellent
      • for driving
      • Precip: 2%
      • Hours of Precip: 0
      • Rain: 0 mm

    Day

    20°Hi RealFeel® 20° Precipitation 2%
    Mostly sunny and nice
    • NE 13 km/h
    • Gusts: 15 km/h
    • Max UV Index: 3 (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® 6° Precipitation 0%
    Clear
    • NNE 7 km/h
    • Gusts: 11 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 10/4/2015
    High 20° 18° N/A 15°
    Low N/A

    Sunrise/Sunset

    • Sunrise: 6:57 AM
    • Sunset: 6:27 PM
    • Duration: 11:30 hr

    Moonrise/Moonset

    • Moonrise: 10:15 AM
    • Moonset: 8:35 PM
    • Duration: 10:20 hr
    Astronomy

    Longueuil Weather Report

    Weekly update signals a mild October for a majority of Canada

    September 30, 2016; 12:09 PM ET

    Latest clues to the long range into October. More >