• Tonight

    Sep 30

    Lo 10°

    A shower early; partly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      11°
    • Hi
      RealFeel
      14°
    • Wind
      Speed
      11 k/h
  • Wed

    Oct 1

    21°Lo 9°

    Mild with periods of sun

    Poor for home energy
    • Avg
      RealFeel
      14°
    • Hi
      RealFeel
      20°
    • Wind
      Speed
      10 k/h
    more
  • Thu

    Oct 2

    22°Lo 10°

    Sunshine and pleasantly warm

    Poor for home energy
    • Avg
      RealFeel
      15°
    • Hi
      RealFeel
      22°
    • Wind
      Speed
      8 k/h
    more
  • Fri

    Oct 3

    23°Lo 13°

    A t-storm in the afternoon

    Poor for home energy
    • Avg
      RealFeel
      16°
    • Hi
      RealFeel
      22°
    • Wind
      Speed
      19 k/h
    more
  • Sat

    Oct 4

    16°Lo 5°

    Cooler with showers around

    Poor for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
      13°
    • Wind
      Speed
      19 k/h
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
9pm
10pm 11pm Wed
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Showers
Partly Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°C) 12° 11° 11° 11° 11° 11° 10° 10°
RealFeel® 11° 10° 10°
Humidity 96% 97% 100% 100% 99% 98% 99% 100%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
51%
 
47%
 
14%
 
14%
 
11%
 
6%
 
6%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (km/h) 5 NE 6 NE 8 NE 10 NE 10 NE 10 ENE 10 ENE 10 NE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 33% 43% 53% 66% 71% 76% 76% 76%
Dew Point 11° 11° 11° 11° 11° 10° 10° 10°
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - Sep 30

more Historical Weather Data >
  Today Normal Record 9/30/2013
High 15° 16° 26° (1948) 24°
Low 10° -2° (1991)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:59 AM with 11:46 of sunlight, then sets at 6:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:19 PM with 9:41 of moolight, then sets at 11:00 PM

Top Story

Ottawa Weather Report

October Weather Pattern Update

September 30, 2014; 8:51 AM ET

Mild Pacific air will be common in the West and East during the month of October, as the core of cold air mostly hangs out across the North with some intrusions into the Prairies. more >