• Saturday

    May 28

    31°Lo 19°

    A thunderstorm in spots

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      40%
    • Hi
      RealFeel
      32°
    more
  • Sunday

    May 29

    28°Lo 17°

    A t-storm in the afternoon

    Very Good for lawn mowing
    • Hours of Precip
      0.5
    • Precip
      55%
    • Hi
      RealFeel
      29°
    more
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St. Catharines Weekend Weather Chat