• Friday

    Jul 18

    25°Lo 16°

    Partly sunny and pleasant

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      28°
    • UV
      7 - High
    • Cloud
      Cover
      26%
    more
  • Saturday

    Jul 19

    26°Lo 17°

    Clouds and sun with a shower

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      29°
    • UV
      7 - High
    • Cloud
      Cover
      46%
    more
  • Sunday

    Jul 20

    27°Lo 18°

    Times of clouds and sun

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      29°
    • UV
      6 - High
    • Cloud
      Cover
      50%
    more
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St. Catharines Weekend Weather Chat