• Tonight

    Jul 11

    Lo 13°

    Mainly clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Jul 12

    29°Lo 16°

    Partly sunny

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

    Jul 13

    26°Lo 18°

    Rain and a thunderstorm

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Mon

    Jul 14

    27°Lo 15°

    A shower or t-storm in spots

    Low ragweed pollen levels
    • Precip
      50%
    • Wind
      Speed
      5 k/h
    • Cloud
      Cover
      74%
    more
  • Tue

    Jul 15

    24°Lo 13°

    A thunderstorm possible

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      70%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Rain
Rain
Mostly Cloudy
Rain
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
T-storms
Temp (°C) 20° 20° 21° 21° 21° 22° 23° 23°
RealFeel® 18° 19° 20° 20° 22° 22° 23° 21°
Humidity 79% 82% 84% 86% 85% 83% 78% 82%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
60%
 
60%
 
43%
 
51%
 
47%
 
43%
 
47%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (km/h) 16 SE 19 SE 26 ESE 19 SE 18 SSW 24 SW 26 SW 29 WSW
UV Index 2 3 3 3 4 3 3 2
Cloud Cover 76% 76% 76% 76% 76% 76% 76% 76%
Dew Point 16° 17° 18° 18° 19° 19° 19° 20°
Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C

Temperature History - Jul 13

more Historical Weather Data >
  Today Normal Record 7/13/2013
High 26° 26° 35° (2012) 30°
Low 18° 15° (1939) 12°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:27 AM with 15:22 of sunlight, then sets at 8:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:27 PM with 10:51 of moolight, then sets at 8:18 AM

Top Story

Ottawa Weather Report

Long-Range Pattern Update

July 11, 2014; 11:05 AM ET

Pattern of extremes into next week and a look at August. more >