• Early AM

    May 22

    Lo 13°

    Occasional rain and drizzle

    Dust & Dander Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Today

    May 22

    22°Lo 12°

    Mostly cloudy, a little rain

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
  • Thu

    May 23

    19°Lo 4°

    Periods of rain

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Fri

    May 24

    15°Lo 2°

    A shower around, mainly early

    Extreme indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      19 k/h
    • Cloud
      Cover
      58%
    more
  • Sat

    May 25

    17°Lo 3°

    Partly sunny

    Extreme indoor dust & dander levels
    • Precip
      1%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      29%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
2pm
3pm 4pm 5pm 6pm 7pm 8pm 9pm
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Rain
Cloudy
Rain
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Temp (°C) 21° 22° 20° 19° 19° 19° 19° 18°
RealFeel® 21° 22° 19° 18° 18° 18° 17° 17°
Humidity 86% 75% 90% 90% 89% 88% 89% 91%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
59%
 
49%
 
59%
 
24%
 
19%
 
24%
 
45%
 
49%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (km/h) 8 SW 10 WSW 10 W 10 W 8 SE 8 SE 6 SE 8 SSE
UV Index 2 2 2 1 1 0 0 0
Cloud Cover 92% 91% 90% 89% 88% 87% 95% 95%
Dew Point 18° 17° 18° 17° 17° 17° 17° 17°
Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C

Temperature History - May 22

more Historical Weather Data >
  Today Normal Record 5/22/2012
High 22° 20° 31° (1977) 22°
Low 12° (1967) 16°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:27 AM with 15:05 of sunlight, then sets at 8:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:33 PM with 11:03 of moolight, then sets at 3:36 AM

Top Story

Ottawa Weather Report

Severe Thunderstorm Threat Continues Wednesday

May 21, 2013; 3:42 PM ET

Potential for strong thunderstorms again Wednesday. more >