1 - 5 of 45 days | All 45 days
Next 5 Days
  • Today

    Sep 19

    Mostly sunny and cool 13°Lo 4°
    more
  • Sat

    Sep 20

    Showers around in the p.m. 22°Lo 15°
    more
  • Sun

    Sep 21

    Breezy with periods of rain 20°Lo 6°
    more
  • Mon

    Sep 22

    Partly sunny and cooler 12°Lo 6°
  • Tue

    Sep 23

    A couple of showers 16°Lo 3°
    more
< Previous 8 hours Next 8 hours >
  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°C) 10° 10° 11° 11° 12° 12° 12° 11°
RealFeel® 10°
Humidity 74% 69% 66% 62% 56% 60% 59% 61%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
1%
 
1%
 
1%
 
1%
 
1%
 
0%
 
0%
 
0%
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) 22 WNW 24 NW 24 NW 22 NW 21 WNW 21 WNW 19 WNW 16 W
UV Index 1 1 3 3 3 2 2 1
Cloud Cover 70% 64% 57% 61% 64% 68% 70% 70%
Dew Point
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - Sep 22

more Historical Weather Data >
  Today Normal Record 9/22/2013
High 12° 18° 31° (1941) 13°
Low -1° (1950)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:49 AM with 12:12 of sunlight, then sets at 7:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:14 AM with 12:54 of moolight, then sets at 6:08 PM

Top Story

Ottawa Weather Report

Cold Snap, Widespread Frost Looms for Northeast

September 19, 2014; 4:57 AM ET

The chilliest air of the season so far will settle over much of the Northeast into Friday and will bring frost to a large area. more >