• Tue

    Aug 2

    30°Lo 18°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      32°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Wed

    Aug 3

    32°Lo 18°

    Mostly sunny and hot

    Beneficial weather for asthma
    • Hi
      RealFeel
      33°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Thu

    Aug 4

    31°Lo 17°

    A strong t-storm possible

    Neutral weather for asthma
    • Hi
      RealFeel
      30°
    • UV
      4 - Moderate
    • Air Qual.
      Good
  • Fri

    Aug 5

    28°Lo 14°

    A full day of sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      29°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Sat

    Aug 6

    26°Lo 13°

    Abundant sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      27°
    • UV
      5 - High
    • Air Qual.
      Good
    more
Next Previous
Hi 31° RealFeel® 30° Precipitation 30%

Day

N

E

S

W

  • SSW 18 km/h
  • Gusts: 46 km/h

Cloudy with a strong thunderstorm possible in the afternoon

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 91%
  • 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® 16° Precipitation 40%

Night

N

E

S

W

  • W 13 km/h
  • Gusts: 32 km/h

A shower in spots in the evening; otherwise, becoming clear

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2015
High 31° 26° 37° (1944) 25°
Low 17° 15° (2013) 14°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:51 AM with 14:34 of sunlight, then sets at 8:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:45 AM with 13:36 of moolight, then sets at 9:21 PM

Ottawa Weather Report

Another dry spell for parts of Ontario and Quebec into next week

July 27, 2016; 3:57 PM ET

Another stretch of dry weather for parts of eastern Canada into next week. more >