• Today

    Sep 16

    17°Lo 5°

    Times of clouds and sun

    Neutral weather for colds
    • Avg
      Temp
      11°
    • Avg
      RealFeel
      10°
    • Hi
      RealFeel
      17°
    more
  • Wed

    Sep 17

    16°Lo 5°

    Some sun, then clouds

    Neutral weather for colds
    • Avg
      Temp
      11°
    • Avg
      RealFeel
      10°
    • Hi
      RealFeel
      19°
  • Thu

    Sep 18

    13°Lo 0°

    Mostly sunny and cool

    Neutral weather for colds
    • Avg
      Temp
    • Avg
      RealFeel
    • Hi
      RealFeel
      14°
    more
  • Fri

    Sep 19

    15°Lo 6°

    Mostly sunny and pleasant

    Beneficial weather for colds
    • Avg
      Temp
      11°
    • Avg
      RealFeel
      10°
    • Hi
      RealFeel
      16°
    more
  • Sat

    Sep 20

    20°Lo 16°

    Mostly cloudy and breezy

    Neutral weather for colds
    • Avg
      Temp
      18°
    • Avg
      RealFeel
      16°
    • Hi
      RealFeel
      19°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Sunny
Mostly Sunny
Mostly Sunny
Temp (°C) 10° 12°
RealFeel® 11° 14°
Humidity 80% 82% 82% 97% 87% 81% 75% 71%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
2%
 
2%
 
2%
 
2%
 
4%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (km/h) 10 WSW 8 WSW 8 WSW 8 WSW 6 WSW 5 NW 5 NNW 5 NNW
UV Index 0 0 0 0 0 0 1 2
Cloud Cover 11% 11% 11% 11% 11% 1% 15% 29%
Dew Point
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C Middle Grid line 0 C

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 16° 19° 30° (1942) 18°
Low -1° (1950)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:43 AM with 12:27 of sunlight, then sets at 7:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:29 AM with 15:00 of moolight, then sets at 3:29 PM

Top Story

Ottawa Weather Report

Arctic High Into Ontario Thursday

September 16, 2014; 3:50 PM ET

Frost and freeze across parts of eastern Canada and the interior Northeast U.S. later this week, while the West gets into another warm/dry spell this weekend and into early next week. more >