• Mon

    Aug 11

    25°Lo 18°

    Mostly cloudy with a shower

    Beneficial weather for asthma
    • Hi
      RealFeel
      26°
    • UV
      3 - Moderate
    • Cloud
      Cover
      76%
    more
  • Tue

    Aug 12

    31°Lo 17°

    Partly sunny and warmer

    Beneficial weather for asthma
    • Hi
      RealFeel
      31°
    • UV
      6 - High
    • Cloud
      Cover
      31%
  • Wed

    Aug 13

    26°Lo 12°

    Clouds and sun with a shower

    Beneficial weather for asthma
    • Hi
      RealFeel
      27°
    • UV
      5 - Moderate
    • Cloud
      Cover
      53%
    more
  • Thu

    Aug 14

    24°Lo 10°

    A thunderstorm or two

    Neutral weather for asthma
    • Hi
      RealFeel
      23°
    • UV
      3 - Moderate
    • Cloud
      Cover
      79%
    more
  • Fri

    Aug 15

    21°Lo 13°

    Mostly cloudy, showers around

    Beneficial weather for asthma
    • Hi
      RealFeel
      20°
    • UV
      3 - Moderate
    • Cloud
      Cover
      84%
    more
Next Previous
Hi 31° RealFeel® 31° Precipitation 2%

Day

N

E

S

W

  • NW 6 km/h
  • Gusts: 21 km/h

Partly sunny and warmer

  • Max UV Index: 6 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 17° RealFeel® 17° Precipitation 2%

Night

N

E

S

W

  • SW 3 km/h
  • Gusts: 8 km/h

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 12

more Historical Weather Data >
  Today Normal Record 8/12/2013
High 31° 25° 35° (1947) 25°
Low 17° 14° (1946) 12°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:00 AM with 14:15 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:10 PM with 12:30 of moolight, then sets at 9:40 AM

Top Story

Ottawa Weather Report

Weather Pattern Clues for August

August 1, 2014; 10:23 AM ET

A look at what the weather pattern may be like for August. more >