• Clouds and sun 54°
    Snow Days Current Weather
    • Wind
      Chill
      54°
    • Yesterday
      Precip
      0 in
    • Cloud
      Cover
      60%
  • Today

    Apr 18

    Hi 60°

    A passing shower this morning

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    Day Details >
  • Tomorrow

    Apr 19

    Hi 59°

    Sun mixing with clouds

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    Day Details >
  • Monday

    Apr 20

    Hi 54°

    Breezy with periods of rain

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    Day Details >
Next

Expect rainy weather late tomorrow night through Monday afternoon

4/18 4/19 Now: 10:00am
AM 10-2
  • 10am Mostly cloudy w/ showers 48° 51%
  • 11am Intermittent clouds 53° 25%
  • 12pm Intermittent clouds 56° 20%
  • 1pm Intermittent clouds 60° 20%
  • 2pm Intermittent clouds 59° 20%
PM 9-2
  • 9pm Partly cloudy 44° 0%
  • 10pm Partly cloudy 41° 0%
  • 11pm Partly cloudy 40° 0%
  • 12am Partly cloudy 38° 0%
  • 1am Mostly clear 36° 0%
  • 2am Mostly clear 35° 0%
AM 3-8
  • 3am Clear 33° 0%
  • 4am Clear 32° 0%
  • 5am Clear 30° 0%
  • 6am Clear 31° 0%
  • 7am Sunny 34° 0%
  • 8am Sunny 36° 0%
Hourly Forecast >
Apr 18, 2015; 6:04 AM ET
Five-day Weather Forecast for Ottawa, ON
Ottawa, ON Weather Forecast

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The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Sat. Snow Day Potential