• Today

    Jul 29

    22°Lo 10°

    Pleasant and warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Wed

    Jul 30

    22°Lo 12°

    Mostly cloudy, showers around

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Jul 31

    23°Lo 13°

    An afternoon thunderstorm

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Aug 1

    25°Lo 13°

    A shower in the afternoon

    Low ragweed pollen levels
    • Precip
      45%
    • Wind
      Speed
      10 k/h
    • Cloud
      Cover
      70%
    more
  • Sat

    Aug 2

    26°Lo 15°

    Mostly cloudy with a t-storm

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      5 k/h
    • Cloud
      Cover
      80%
    more
Next Previous
Hi 22° RealFeel® 24° Precipitation 25%

Day

N

E

S

W

  • W 11 km/h
  • Gusts: 18 km/h

Pleasant and warmer with times of clouds and sun

  • 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 10° RealFeel® 9° Precipitation 60%

Night

N

E

S

W

  • SSW 6 km/h
  • Gusts: 14 km/h

Partly cloudy and cool with a couple of showers

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 2 mm
  • Rain: 2 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - Jul 29

more Historical Weather Data >
  Today Normal Record 7/29/2013
High 22° 26° 33° (1949) 24°
Low 10° 15° (1956) 12°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:43 AM with 14:52 of sunlight, then sets at 8:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:28 AM with 13:06 of moolight, then sets at 9:34 PM

Top Story

Ottawa Weather Report

Long Range Forecast Model Update into August

July 28, 2014; 11:50 PM ET

Here is my latest interpretation of the ECMWF weekly long range forecast model through the 3rd week of August. more >