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Next 5 Days
  • Early AM

    May 23

    Clear Lo 0°
    more
  • Today

    May 23

    Mostly sunny and warmer 18°Lo 8°
  • Sun

    May 24

    Warmer with a stray shower 26°Lo 11°
    more
  • Mon

    May 25

    Rain at times 22°Lo 15°
    more
  • Tue

    May 26

    Rather cloudy, showers around 27°Lo 16°
    more
< Previous 8 hours Next 8 hours >
  Sat
8pm
9pm 10pm 11pm Sun
12am
1am 2am 3am
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Partly Sunny
Partly Cloudy
Showers
Clear
Mostly Clear
Cloudy
Mostly Clear
Mostly Clear
Temp (°C) 15° 13° 12° 11° 11° 10° 10° 10°
RealFeel® 11°
Humidity 41% 47% 51% 52% 53% 55% 56% 58%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
43%
 
47%
 
51%
 
21%
 
16%
 
21%
 
33%
 
33%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (km/h) 24 SW 24 SW 24 SW 22 SW 22 SW 22 SW 20 WSW 20 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 41% 30% 70% 8% 11% 70% 18% 20%
Dew Point
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2014
High 18° 20° 32° (1975) 20°
Low (1967) 10°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:25 AM with 15:09 of sunlight, then sets at 8:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:43 AM with 14:38 of moolight, then sets at 12:21 AM

Ottawa Weather Report

Canada Summer Outlook 2015

May 22, 2015; 3:17 PM ET

The upcoming summer will be very warm across a majority of southern Canada with reduced rainfall. more >