• Early AM

    May 23

    Lo 0°

    Clear

    Migraine Headache Weather
    • Hi
      RealFeel
    • UV
      7 - High
    • Cloud
      Cover
      5%
    more
  • Today

    May 23

    18°Lo 8°

    Mostly sunny and warmer

    Beneficial weather for migraines
    • Hi
      RealFeel
      18°
    • UV
      7 - High
    • Cloud
      Cover
      23%
  • Sun

    May 24

    26°Lo 11°

    Warmer with a stray shower

    Beneficial weather for migraines
    • Hi
      RealFeel
      26°
    • UV
      7 - High
    • Cloud
      Cover
      40%
    more
  • Mon

    May 25

    22°Lo 15°

    Rain at times

    Beneficial weather for migraines
    • Hi
      RealFeel
      22°
    • UV
      6 - High
    • Cloud
      Cover
      76%
    more
  • Tue

    May 26

    27°Lo 16°

    Rather cloudy, showers around

    Beneficial weather for migraines
    • Hi
      RealFeel
      28°
    • UV
      5 - Moderate
    • Cloud
      Cover
      76%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
4pm
5pm 6pm 7pm 8pm 9pm 10pm 11pm
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Forecast
Partly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Partly Cloudy
Showers
Clear
Temp (°C) 18° 17° 17° 16° 15° 13° 12° 11°
RealFeel® 18° 16° 15° 13° 11°
Humidity 26% 28% 30% 34% 41% 47% 51% 52%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Rain
 
0%
 
0%
 
0%
 
1%
 
43%
 
47%
 
51%
 
21%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Wind (km/h) 24 WSW 26 WSW 24 WSW 24 WSW 24 SW 24 SW 24 SW 22 SW
UV Index 4 2 1 0 0 0 0 0
Cloud Cover 54% 81% 68% 55% 41% 30% 70% 8%
Dew Point -2° -1° -1°
Middle Grid line 20 C Middle Grid line 15 C Middle Grid line 10 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 >