• Tonight

    Sep 18

    Lo -1°

    Clear

    Morning School Bus Weather
    • T-storms
      0%
    • Precip
      0%
    • Wind
      Gust
      29 k/h
  • Fri

    Sep 19

    14°Lo 5°

    Mostly sunny and cool

    Excellent at the bus stop
    • T-storms
      0%
    • Precip
      0%
    • Wind
      Gust
      15 k/h
    more
  • Sat

    Sep 20

    21°Lo 14°

    Spotty afternoon showers

    Excellent at the bus stop
    • T-storms
      20%
    • Precip
      60%
    • Wind
      Gust
      47 k/h
    more
  • Sun

    Sep 21

    22°Lo 8°

    Mostly cloudy, showers around

    Fair at the bus stop
    • T-storms
      24%
    • Precip
      67%
    • Wind
      Gust
      37 k/h
    more
  • Mon

    Sep 22

    14°Lo 5°

    Cooler with periods of sun

    Excellent at the bus stop
    • T-storms
      0%
    • Precip
      3%
    • Wind
      Gust
      23 k/h
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Partly Sunny
Partly Sunny
Mostly Cloudy
Partly Sunny
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°C) 10° 10° 11° 12° 12° 11°
RealFeel® 11° 10° 11° 10°
Humidity 71% 64% 57% 53% 50% 46% 45% 47%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
0%
 
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  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (km/h) 14 NNE 14 N 14 NNW 14 N 14 NNW 14 NNW 16 NW 19 NNW
UV Index 2 3 2 4 3 3 2 1
Cloud Cover 43% 38% 85% 40% 73% 40% 41% 36%
Dew Point
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 12° 19° 31° (1942) 22°
Low -1° (1943)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 12:24 of sunlight, then sets at 7:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:24 AM with 14:44 of moolight, then sets at 4:08 PM

Top Story

Nepean Weather Report

Cold Snap, Widespread Frost Looms for Northeast

September 18, 2014; 5:00 PM ET

The chilliest air of the season so far will settle over much of the Northeast into Friday and will bring frost to a large area. more >