• Today

    May 21

    18°Lo 13°

    Cooler; a strong p.m. t-storm

    Very Good at the bus stop
    • T-storms
      91%
    • Precip
      50%
    • Wind
      Gust
      34 k/h
  • Wed

    May 22

    22°Lo 12°

    Mainly cloudy, a little rain

    Fair at the bus stop
    • T-storms
      17%
    • Precip
      63%
    • Wind
      Gust
      16 k/h
    more
  • Thu

    May 23

    19°Lo 3°

    Periods of rain

    Poor at the bus stop
    • T-storms
      3%
    • Precip
      65%
    • Wind
      Gust
      27 k/h
    more
  • Fri

    May 24

    15°Lo 1°

    A shower possible

    Very Good at the bus stop
    • T-storms
      15%
    • Precip
      30%
    • Wind
      Gust
      35 k/h
    more
  • Sat

    May 25

    17°Lo 4°

    Partly sunny

    Excellent at the bus stop
    • T-storms
      0%
    • Precip
      1%
    • Wind
      Gust
      23 k/h
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
9pm
10pm 11pm Wed
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Cloudy
Rain
Rain
Rain
Rain
Cloudy
Cloudy
Cloudy
Temp (°C) 14° 14° 14° 13° 13° 14° 14° 14°
RealFeel® 11° 10° 10° 11° 12° 13° 13° 13°
Humidity 89% 92% 92% 93% 93% 92% 93% 92%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
47%
 
51%
 
51%
 
51%
 
51%
 
25%
 
20%
 
25%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
 
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0%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (km/h) 16 ENE 14 ENE 14 E 10 E 5 E 5 ESE 5 SE 5 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 90% 92% 93% 94% 94% 94% 94% 94%
Dew Point 12° 12° 12° 12° 12° 12° 12° 13°
Middle Grid line 15 C Middle Grid line 10 C

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 18° 20° 32° (1941) 29°
Low 13° (1967) 15°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:27 AM with 15:06 of sunlight, then sets at 8:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:34 PM with 11:02 of moolight, then sets at 3:36 AM

Top Story

Nepean Weather Report

Severe Thunderstorm Threat Continues Wednesday

May 21, 2013; 3:42 PM ET

Potential for strong thunderstorms again Wednesday. more >