• Today

    Sep 17

    17°Lo 4°

    A shower late this afternoon

    Fair at the beach or pool
    • UV
      3 - Moderate
    • Cloud
      Cover
      83%
    • Precip
      60%
  • Thu

    Sep 18

    12°Lo -1°

    Clearing and cool

    Poor at the beach or pool
    • UV
      4 - Moderate
    • Cloud
      Cover
      60%
    • Precip
      0%
    more
  • Fri

    Sep 19

    14°Lo 6°

    Mostly sunny and pleasant

    Good at the beach or pool
    • UV
      4 - Moderate
    • Cloud
      Cover
      20%
    • Precip
      0%
    more
  • Sat

    Sep 20

    20°Lo 14°

    Showers around in the p.m.

    Good at the beach or pool
    • UV
      2 - Low
    • Cloud
      Cover
      76%
    • Precip
      60%
    more
  • Sun

    Sep 21

    21°Lo 8°

    Mostly cloudy, showers around

    Poor at the beach or pool
    • UV
      3 - Moderate
    • Cloud
      Cover
      76%
    • Precip
      60%
    more
Next Previous
Next 8 hours >
  Wed
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Clear
Clear
Clear
Clear
Clear
Clear
Partly Cloudy
Partly Sunny
Temp (°C) 10°
RealFeel®
Humidity 72% 93% 93% 93% 93% 93% 100% 100%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
0%
 
2%
 
2%
 
2%
 
2%
 
2%
 
3%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (km/h) 16 WSW 8 SW 10 WSW 10 SW 10 SW 8 SW 10 SW 3 N
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 0% 0% 0% 0% 35% 35%
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 17° 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

Long Winter Nights, Dry Air Increase Chance to View Aurora

September 17, 2014; 4:10 PM ET

Igniting across Northern skies, ghostly rivers of light dance overhead each year, emitting vibrant shades of green, blue, pink, red and violet. more >