Cornwall, Ontario, CA | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    60% Chance of Rain
    59°
    Forecast night icon
    Night
    80% Chance of Rain
    41°
    Friday 4/19
    Day
    59°
    60% Chance of Rain
    Forecast day icon
    Night
    41°
    80% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 60%. High temperature around 59F. Dew point will be around 45F with an average humidity of 69%. Winds will be 9 mph from the S.
    Night Details
    Mostly cloudy with probable rain. Chance of precipitation 75%. Low temperature around 41F. Dew point will be around 40F with an average humidity of 77%. Winds will be 15 mph from the SW.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    48°
    Forecast night icon
    Night
    80% Chance Frozen Mix
    35°
    Saturday 4/20
    Day
    48°
    30% Chance of Rain
    Forecast day icon
    Night
    35°
    80% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 48F. Dew point will be around 31F with an average humidity of 51%. Winds will be 13 mph from the W.
    Night Details
    Partly cloudy with probable rain-snow mix. Chance of precipitation 80%. Low temperature around 35F. Dew point will be around 31F with an average humidity of 69%. Winds will be 12 mph from the W.
  • Forecast day icon
    Sunday
    70% Chance Frozen Mix
    48°
    Forecast night icon
    Night
    60% Chance Frozen Mix
    29°
    Sunday 4/21
    Day
    48°
    70% Chance Frozen Mix
    Forecast day icon
    Night
    29°
    60% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Cloudy with probable rain-snow mix. Chance of precipitation 70%. High temperature around 48F. Dew point will be around 28F with an average humidity of 56%. Winds will be 16 mph from the SW.
    Night Details
    Partly cloudy with a chance of rain-snow mix. Chance of precipitation 60%. Low temperature around 29F. Dew point will be around 26F with an average humidity of 60%. Winds will be 16 mph from the SW.
  • Forecast day icon
    Monday
    30% Chance Frozen Mix
    42°
    Forecast night icon
    Night
    Mostly Clear
    32°
    Monday 4/22
    Day
    42°
    30% Chance Frozen Mix
    Forecast day icon
    Night
    32°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 42F. Dew point will be around 15F with an average humidity of 42%. Winds will be 13 mph from the W.
    Night Details
    Mostly clear. Low temperature around 32F. Dew point will be around 23F with an average humidity of 60%. Winds will be 9 mph from the S.
  • Forecast day icon
    Tuesday
    30% Chance Frozen Mix
    58°
    Forecast night icon
    Night
    80% Chance of Rain
    37°
    Tuesday 4/23
    Day
    58°
    30% Chance Frozen Mix
    Forecast day icon
    Night
    37°
    80% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 58F. Dew point will be around 31F with an average humidity of 49%. Winds will be 14 mph from the SW.
    Night Details
    Cloudy with probable rain. Chance of precipitation 80%. Low temperature around 37F. Dew point will be around 39F with an average humidity of 72%. Winds will be 13 mph from the SW.
  • Forecast day icon
    Wednesday
    80% Chance of Rain
    43°
    Forecast night icon
    Night
    50% Chance Frozen Mix
    27°
    Wednesday 4/24
    Day
    43°
    80% Chance of Rain
    Forecast day icon
    Night
    27°
    50% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with probable rain. Chance of precipitation 75%. High temperature around 43F. Dew point will be around 31F with an average humidity of 68%. Winds will be 13 mph from the W.
    Night Details
    Mostly clear with a chance of rain-snow mix. Chance of precipitation 45%. Low temperature around 27F. Dew point will be around 24F with an average humidity of 71%. Winds will be 13 mph from the W.
  • Forecast day icon
    Thursday
    40% Chance Frozen Mix
    46°
    Forecast night icon
    Night
    Mostly Clear
    32°
    Thursday 4/25
    Day
    46°
    40% Chance Frozen Mix
    Forecast day icon
    Night
    32°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny with a chance of rain-snow mix. Chance of precipitation 35%. High temperature around 46F. Dew point will be around 23F with an average humidity of 55%. Winds will be 13 mph from the W.
    Night Details
    Mostly clear. Low temperature around 32F. Dew point will be around 27F with an average humidity of 64%. Winds will be 10 mph from the W.
  • Forecast day icon
    Friday
    Sunny
    52°
    Forecast night icon
    Night
    Clear
    38°
    Friday 4/26
    Day
    52°
    Sunny
    Forecast day icon
    Night
    38°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 52F. Dew point will be around 28F with an average humidity of 51%. Winds will be 6 mph from the W.
    Night Details
    Clear. Low temperature around 38F. Dew point will be around 31F with an average humidity of 64%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Saturday
    Sunny
    55°
    Forecast night icon
    Night
    40% Chance of Rain
    43°
    Saturday 4/27
    Day
    55°
    Sunny
    Forecast day icon
    Night
    43°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 55F. Dew point will be around 35F with an average humidity of 58%. Winds will be 3 mph from the W.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 43F. Dew point will be around 38F with an average humidity of 71%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Sunday
    40% Chance of Rain
    58°
    Forecast night icon
    Night
    40% Chance of Rain
    49°
    Sunday 4/28
    Day
    58°
    40% Chance of Rain
    Forecast day icon
    Night
    49°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 58F. Dew point will be around 42F with an average humidity of 65%. Winds will be 2 mph from the SW.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 49F. Dew point will be around 44F with an average humidity of 75%. Winds will be 4 mph from the SW.