Weather This Weekend, Dec 20

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  • Saturday

    Dec 20

    Mostly cloudy 0° Lo -3° RealFeel® 1° / Lo -4° more
  • Sunday

    Dec 21

    Partly sunny 2° Lo -2° RealFeel® 2° / Lo -5° more

St. Catharines Weather Report

Long-Range Forecast Model Update Into Mid-January

December 19, 2014; 9:08 AM ET

Update on the long-range forecast model data. more >

St. Catharines Weekend Weather Chat