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    1 - 5 of 90 days | All 90 days
    Next 5 Days
    • Today

      Sep 27

      21° /7°
      Partial sunshine
      More
    • Wed

      Sep 28

      20° /7°
      Partly sunny
      More
    • Thu

      Sep 29

      18° /7°
      Partly sunny
      More
    • Fri

      Sep 30

      17° /8°
      Partly sunny
      More
    • Sat

      Oct 1

      20° /10°C
      Mostly cloudy

    Day

    20°Hi RealFeel® 19° Precipitation 6%
    Mostly cloudy
    • NE 15 km/h
    • Gusts: 18 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

    10°Lo RealFeel® 9° Precipitation 25%
    Cloudy
    • E 9 km/h
    • Gusts: 13 km/h
    • Max UV Index: N/A
    • Thunderstorms: 7%
    • 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 10/1/2015
    High 20° 18° N/A 14°
    Low 10° N/A

    Sunrise/Sunset

    • Sunrise: 6:53 AM
    • Sunset: 6:33 PM
    • Duration: 11:40 hr

    Moonrise/Moonset

    • Moonrise: 7:19 AM
    • Moonset: 7:07 PM
    • Duration: 11:48 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 >