• Today

    May 23

    18°Lo 7°

    Brilliant sunshine and warmer

    Very Good for lawn mowing
    • Hours of Precip
      0.5
    • Precip
      7%
    • Hi
      RealFeel
      18°
  • Sun

    May 24

    27°Lo 11°

    Warmer; a morning shower

    Good for lawn mowing
    • Hours of Precip
      1.5
    • Precip
      50%
    • Hi
      RealFeel
      27°
    more
  • Mon

    May 25

    24°Lo 14°

    Occasional rain and drizzle

    Fair for lawn mowing
    • Hours of Precip
      4.5
    • Precip
      58%
    • Hi
      RealFeel
      24°
    more
  • Tue

    May 26

    28°Lo 16°

    Periods of sun with a shower

    Good for lawn mowing
    • Hours of Precip
      3
    • Precip
      40%
    • Hi
      RealFeel
      27°
    more
  • Wed

    May 27

    27°Lo 17°

    A couple of afternoon showers

    Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      60%
    • Hi
      RealFeel
      27°
    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
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Clear
Cloudy
Mostly Clear
Temp (°C) 18° 17° 16° 16° 14° 12° 11° 10°
RealFeel® 18° 16° 14° 13° 11°
Humidity 26% 29% 31% 33% 37% 46% 49% 52%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Rain
 
0%
 
0%
 
0%
 
1%
 
5%
 
5%
 
6%
 
7%
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 SW 24 SW 22 SSW 24 SSW 24 SW 22 SW
UV Index 4 3 1 1 0 0 0 0
Cloud Cover 27% 40% 37% 34% 30% 27% 70% 20%
Dew Point -2° -1° -1° -1°
Middle Grid line 20 C 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 5:24 AM with 15:11 of sunlight, then sets at 8:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:42 AM with 14:13 of moolight, then sets at 12:55 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 >