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    Next 5 Days
    • Current Weather

      13° C
      Clouds and sun
      Asthma
      • Relative Humidity: 91%
      • Yesterday Temp: 14°
      • Pressure: 1013.10 mb
    • Tonight

      May 27

      10° Lo
      Partly cloudy
      • Asthma
      • Weather
      • Hi RealFeel: 21°
      • UV: 4 - Moderate
      • Air Qual.: Good
      } Day Details
    • Tomorrow

      May 28

      17° Hi
      An afternoon thunderstorm
      • At Risk
      • weather for asthma
      • Hi RealFeel: 19°
      • UV: 4 - Moderate
      • Air Qual.: Good
      } Day Details
    • Monday

      May 29

      20° Hi
      Partly sunny and breezy
      • Neutral
      • weather for asthma
      • Hi RealFeel: 21°
      • UV: 5 - High
      • Air Qual.: Good
      } Day Details
    Next 6 Hours
    • 7PM

      May 27

      15°
      Intermittent clouds
      Precip 0%
    • 8PM

      14°
      Intermittent clouds
      Precip 0%
    • 9PM

      14°
      Intermittent clouds
      Precip 0%
    • 10PM

      13°
      Intermittent clouds
      Precip 0%
    • 11PM

      13°
      Partly cloudy
      Precip 0%
    • 12AM

      12°
      Intermittent clouds
      Precip 0%

    St. Catharines Weather Map - Nearby Places

    X

    Mississauga Beach

    3:40pm EDT

    13°
    • RealFeel® 12°
    • Winds: 9km/h ENE
    • Precipitation: 0 mm
    X

    Youngstown

    3:47pm EDT

    13°
    • RealFeel® 12°
    • Winds: 9km/h ENE
    • Precipitation: 0 mm
    X

    Youngstown Estates

    3:40pm EDT

    13°
    • RealFeel® 12°
    • Winds: 9km/h ENE
    • Precipitation: 0 mm
    X

    Colemans

    3:47pm EDT

    18°
    • RealFeel® 18°
    • Winds: 9km/h ENE
    • Precipitation: 0 mm
    X

    Collingwood Estates

    3:47pm EDT

    13°
    • RealFeel® 12°
    • Winds: 9km/h ENE
    • Precipitation: 0 mm
    X

    McNab

    3:47pm EDT

    13°
    • RealFeel® 13°
    • Winds: 9km/h ENE
    • Precipitation: 0 mm
    X

    Virgil

    3:40pm EDT

    18°
    • RealFeel® 18°
    • Winds: 9km/h ENE
    • Precipitation: 0 mm
    X

    Niagara-on-the-Lake

    3:40pm EDT

    18°
    • RealFeel® 18°
    • Winds: 9km/h ENE
    • Precipitation: 0 mm
    X

    Homer

    3:40pm EDT

    18°
    • RealFeel® 18°
    • Winds: 9km/h ENE
    • Precipitation: 0 mm
    X

    Thorold

    3:40pm EDT

    18°
    • RealFeel® 18°
    • Winds: 9km/h ENE
    • Precipitation: 0 mm
    X

    St. Catharines

    3:40pm EDT

    13°
    • RealFeel® 13°
    • Winds: 9km/h ENE
    • Precipitation: 0 mm