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    • Today

      Sep 30

      17° /13°C
      A touch of afternoon rain
      • Neutral
      • weather for migraines
      • Hi RealFeel: 15°
      • UV: 2 - Low
      • Cloud Cover: 90%
    • Sat

      Oct 1

      18° /14°
      Mostly cloudy, brief showers
      • Neutral
      • weather for migraines
      • Hi RealFeel: 17°
      • UV: 2 - Low
      • Cloud Cover: 93%
      More
    • Sun

      Oct 2

      19° /14°
      A few showers
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 20°
      • UV: 4 - Moderate
      • Cloud Cover: 73%
      More
    • Mon

      Oct 3

      19° /14°
      Clouds breaking, a shower
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 20°
      • UV: 4 - Moderate
      • Cloud Cover: 59%
      More
    • Tue

      Oct 4

      20° /14°
      A blend of sun and clouds
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 20°
      • UV: 2 - Low
      • Cloud Cover: 64%
      More
    Friday
    5pm
    6pm
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    Forecast Cloudy Rain Cloudy Cloudy Cloudy Cloudy Cloudy Showers
    Temp (°C) 16° 15° 15° 17° 16° 16° 15° 15°
    RealFeel® 12° 11° 13° 13° 12° 13° 11°
    Wind (km/h) 37 NE 37 NE 35 NE 32 NE 28 ENE 28 ENE 20 E 22 E
    precip
    5pm
    6pm
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    Rain
    47%
    51%
    47%
    34%
    34%
    39%
    49%
    64%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    5pm
    6pm
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    UV Index 1 0 0 0 0 0 0 0
    Cloud Cover 90% 95% 95% 95% 95% 95% 95% 95%
    Humidity 76% 84% 78% 70% 68% 71% 75% 76%
    Dew Point 12° 12° 12° 11° 11° 11° 11° 11°
    Temp °C
    5pm
    6pm
    7pm
    8pm
    9pm
    10pm
    11pm
    12am
    20° 15°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/30/2015
    High 17° 19° N/A 17°
    Low 13° N/A 13°

    Sunrise/Sunset

    • Sunrise: 7:14 AM
    • Sunset: 6:58 PM
    • Duration: 11:44 hr

    Moonrise/Moonset

    • Moonrise: 6:43 AM
    • Moonset: 7:04 PM
    • Duration: 12:21 hr
    Astronomy

    St. Catharines Weather Report

    Weekly update signals a mild October for a majority of Canada

    September 30, 2016; 12:09 PM ET

    Latest clues to the long range into October. More >