• Tonight

    Dec 20

    Lo -11°

    Areas of freezing fog late

    Dust & Dander Weather
    • Precip
      47%
    • Wind
      Speed
      4 k/h
    • Cloud
      Cover
      37%
  • Sun

    Dec 21

    -7°Lo -8°

    Freezing fog in the morning

    Extreme indoor dust & dander levels
    • Precip
      19%
    • Wind
      Speed
      4 k/h
    • Cloud
      Cover
      70%
    more
  • Mon

    Dec 22

    -4°Lo -6°

    Some sun, then clouds

    Very High indoor dust & dander levels
    • Precip
      8%
    • Wind
      Speed
      9 k/h
    • Cloud
      Cover
      52%
    more
  • Tue

    Dec 23

    1°Lo 0°

    A bit of ice in the afternoon

    High indoor dust & dander levels
    • Precip
      58%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      86%
    more
  • Wed

    Dec 24

    6°Lo 4°

    Very windy; periods of rain

    Moderate indoor dust & dander levels
    • Precip
      68%
    • Wind
      Speed
      39 k/h
    • Cloud
      Cover
      97%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
9pm
10pm 11pm Sun
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Fog
Fog
Mostly Cloudy
Mostly Cloudy
Temp (°C) -10° -10° -10° -11° -10° -10° -10° -10°
RealFeel® -9° -9° -10° -10° -10° -10° -10° -9°
Humidity 80% 80% 83% 86% 80% 80% 77% 76%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
2%
 
2%
 
2%
 
2%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (km/h) 4 NE 4 NE 6 NE 6 NNE 6 NNE 6 NNE 6 NNE 4 NNE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 48% 47% 44% 44% 75% 76% 76% 76%
Dew Point -12° -12° -12° -13° -13° -13° -13° -13°
Middle Grid line -5 C Middle Grid line -10 C

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High -8° -3° 15° (1957) -1°
Low -11° -11° -32° (1942) -9°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:31 AM with 8:42 of sunlight, then sets at 4:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:40 AM with 9:47 of moolight, then sets at 3:27 PM

Hampstead Weather Report

Weekend Update on White Christmas Potential in Canada

December 20, 2014; 3:49 PM ET

Update on White Christmas probabilities for Canada more >