• Tonight

    May 23

    Lo 7°

    Partly cloudy, a shower late

    Hair Frizz Weather
    • Wind
      Gust
      44 k/h
    • Precip
      7%
    • Hours of Precip
      0.5
    more
  • Sun

    May 24

    27°Lo 12°

    Partly sunny and warmer

    Unlikely for hair frizz
    • Wind
      Gust
      30 k/h
    • Precip
      25%
    • Hours of Precip
      1
    more
  • Mon

    May 25

    22°Lo 15°

    Occasional rain and drizzle

    Watch for hair frizz
    • Wind
      Gust
      24 k/h
    • Precip
      58%
    • Hours of Precip
      7
  • Tue

    May 26

    28°Lo 16°

    A brief shower or two

    Advisory for hair frizz
    • Wind
      Gust
      43 k/h
    • Precip
      55%
    • Hours of Precip
      4
    more
  • Wed

    May 27

    26°Lo 14°

    A couple of afternoon showers

    Advisory for hair frizz
    • Wind
      Gust
      59 k/h
    • Precip
      62%
    • Hours of Precip
      1
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Cloudy
Rain
Partly Cloudy
Rain
Rain
Partly Cloudy
Rain
Rain
Temp (°C) 18° 20° 21° 22° 20° 20° 20° 20°
RealFeel® 19° 19° 22° 22° 20° 21° 19° 19°
Humidity 66% 61% 59% 58% 65% 67% 67% 66%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
47%
 
51%
 
47%
 
54%
 
54%
 
47%
 
55%
 
55%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (km/h) 15 SSW 15 SW 17 SW 18 SW 18 SW 18 SW 18 SW 17 SW
UV Index 3 3 4 5 5 5 4 3
Cloud Cover 54% 70% 61% 60% 70% 59% 70% 70%
Dew Point 12° 12° 12° 13° 13° 13° 13° 13°
Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C

Temperature History - May 25

more Historical Weather Data >
  Today Normal Record 5/25/2014
High 22° 21° 33° (2010) 26°
Low 15° -3° (1956)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:23 AM with 15:14 of sunlight, then sets at 8:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:40 PM with 13:14 of moolight, then sets at 1:54 AM

Ottawa Weather Report

Canada Summer Forecast: Active Wildfire Season in Store for West; Tropical Threat Low for Maritimes

May 23, 2015; 5:34 AM ET

The upcoming summer will be very warm across much of western and central Canada as the cool weather will be mostly confined to Atlantic Canada. more >