• A shower 71°
    Lawn Mowing Current Weather
    • Yesterday
      Precip
      0.08 in
    • UV
      2 - Low
    • RealFeel
      71°
  • Today

    Sep 21

    Hi 72°

    A couple of p.m. t-storms

    Fair for lawn mowing
    • Hours of Precip
      6
    • Precip
      75%
    • Hi
      RealFeel
      70°
    Day Details >
  • Tomorrow

    Sep 22

    Hi 55°

    Cooler with clouds and sun

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      48°
    Day Details >
  • Tuesday

    Sep 23

    Hi 64°

    Mostly sunny and warmer

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      5%
    • Hi
      RealFeel
      64°
    Day Details >
Next

Noticeably cooler weather on the way tomorrow

9/21 9/22 Now: 1:07pm
PM 1-5
  • 1pm Showers 71° 47%
  • 2pm Cloudy 71° 46%
  • 3pm Cloudy 72° 49%
  • 4pm Thunderstorms 71° 53%
  • 5pm Cloudy 69° 49%
AM 12-5
  • 12am Cloudy 57° 47%
  • 1am Showers 57° 51%
  • 2am Showers 56° 51%
  • 3am Mostly cloudy 54° 47%
  • 4am Mostly cloudy 53° 43%
  • 5am Cloudy 51° 43%
AM 6-11
  • 6am Cloudy 50° 47%
  • 7am Showers 48° 51%
  • 8am Intermittent clouds 48° 25%
  • 9am Intermittent clouds 48° 20%
  • 10am Intermittent clouds 49° 20%
  • 11am Intermittent clouds 50° 20%
Hourly Forecast >
Sep 21, 2014; 12:04 PM ET
Expect showers tonight
Ottawa, ON Weather Forecast

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Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

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