• Friday

    Sep 2

    20°Lo 16°

    Sunny, nice and less humid

    Excellent for outdoor DIY projects
    • Precip
      1%
    • Hours of Precip
      0
    • Hi
      RealFeel
      22°
    more
  • Saturday

    Sep 3

    24°Lo 16°

    Partly sunny; low humidity

    Excellent for outdoor DIY projects
    • Precip
      1%
    • Hours of Precip
      0
    • Hi
      RealFeel
      26°
    more
  • Sunday

    Sep 4

    26°Lo 19°

    Brilliant sunshine

    Excellent for outdoor DIY projects
    • Precip
      0%
    • Hours of Precip
      0
    • Hi
      RealFeel
      29°
    more
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St. Catharines Weekend Weather Chat