• Some clouds 70°
    Lawn Mowing Current Weather
    • Yesterday
      Precip
      0 in
    • UV
      0 - Moderate
    • RealFeel
      72°
  • Today

    Sep 2

    Hi 79°

    Showers and a heavier t-storm

    Fair for lawn mowing
    • Hours of Precip
      3
    • Precip
      68%
    • Hi
      RealFeel
      82°
    Day Details >
  • Tomorrow

    Sep 3

    Hi 76°

    Mostly sunny and less humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      9%
    • Hi
      RealFeel
      75°
    Day Details >
  • Thursday

    Sep 4

    Hi 80°

    Sunny to partly cloudy

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      8%
    • Hi
      RealFeel
      82°
    Day Details >
Next

Thunderstorms in the area this afternoon through this evening

9/2 9/3 Now: 5:45am
AM 5-9
  • 5am Intermittent clouds 65° 47%
  • 6am Mostly cloudy w/ t-storms 65° 51%
  • 7am Intermittent clouds 66° 47%
  • 8am Cloudy 69° 34%
  • 9am Mostly cloudy 71° 34%
PM 4-9
  • 4pm Thunderstorms 73° 55%
  • 5pm Cloudy 74° 49%
  • 6pm Cloudy 73° 47%
  • 7pm Thunderstorms 71° 51%
  • 8pm Cloudy 69° 47%
  • 9pm Cloudy 66° 47%
PM 10-3
  • 10pm Thunderstorms 65° 51%
  • 11pm Cloudy 64° 40%
  • 12am Cloudy 62° 34%
  • 1am Cloudy 62° 29%
  • 2am Intermittent clouds 61° 20%
  • 3am Intermittent clouds 60° 20%
Hourly Forecast >
Sep 02, 2014; 12:07 AM ET
Thunderstorms in the area this morning through this evening
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?

Current Drought Status

Current Soil Conditions

Tue. Overnight Freeze

Tue. Degree Days

Tue. Evapotranspiration