• Tonight

    Apr 18

    Lo 2°

    A shower early; mainly cloudy

    Construction Weather
    • Precip
      60%
    • Hours of Precip
      1.5
    • Hi
      RealFeel
      12°
  • Sat

    Apr 19

    11°Lo 1°

    A morning snow shower

    Fair for outdoor DIY projects
    • Precip
      48%
    • Hours of Precip
      0.5
    • Hi
      RealFeel
    more
  • Sun

    Apr 20

    14°Lo 5°

    Partly sunny

    Very Good for outdoor DIY projects
    • Precip
      9%
    • Hours of Precip
      0
    • Hi
      RealFeel
      17°
    more
  • Mon

    Apr 21

    17°Lo 8°

    A couple of showers possible

    Very Good for outdoor DIY projects
    • Precip
      30%
    • Hours of Precip
      0
    • Hi
      RealFeel
      19°
    more
  • Tue

    Apr 22

    17°Lo 5°

    Mostly cloudy with showers

    Poor for outdoor DIY projects
    • Precip
      65%
    • Hours of Precip
      2.5
    • Hi
      RealFeel
      15°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Cloudy
Mostly Clear
Mostly Clear
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°C)
RealFeel® -1° -3° -3° -1° -1°
Humidity 64% 69% 69% 69% 69% 72% 53% 53%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
1%
 
1%
 
1%
 
1%
 
2%
 
7%
 
7%
 
7%
Snow
 
3%
 
3%
 
3%
 
3%
 
2%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (km/h) 8 E 10 E 10 E 6 E 8 E 6 E 13 SSE 19 SSE
UV Index 0 0 0 0 0 1 1 2
Cloud Cover 60% 25% 25% 100% 100% 94% 100% 100%
Dew Point -5° -5° -5° -5° -4° -2° -4° -3°
Middle Grid line 10 C Middle Grid line 5 C Middle Grid line 0 C Middle Grid line -5 C

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2013
High 11° 12° 30° (1976) 19°
Low -6° (1983)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:13 AM with 13:39 of sunlight, then sets at 7:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:42 PM with 9:39 of moolight, then sets at 9:21 AM

Top Story

Rockcliffe Park Weather Report

Long Range Hints Through May

April 18, 2014; 7:23 AM ET

Updated look at the long-range and potential El Nino later this year. more >