• Tonight

    Dec 18

    Lo 25°

    Partly cloudy; breezy late

    Bicycling Weather
    • Precip
      45%
    • Hours of Precip
      0.5
    • Wind
      Gust
      25 mph
    more
  • Fri

    Dec 19

    34°Lo 21°

    Sun mixing with clouds

    Poor for biking
    • Precip
      8%
    • Hours of Precip
      0
    • Wind
      Gust
      18 mph
  • Sat

    Dec 20

    34°Lo 26°

    Sunshine giving way to clouds

    Fair for biking
    • Precip
      20%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
    more
  • Sun

    Dec 21

    36°Lo 27°

    Partial sunshine

    Fair for biking
    • Precip
      10%
    • Hours of Precip
      0
    • Wind
      Gust
      6 mph
    more
  • Mon

    Dec 22

    39°Lo 31°

    Turning out cloudy

    Good for biking
    • Precip
      18%
    • Hours of Precip
      0
    • Wind
      Gust
      6 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Sunny
Sunny
Sunny
Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 28° 30° 32° 33° 34° 34° 33° 31°
RealFeel® 21° 23° 27° 28° 28° 29° 28° 26°
Humidity 66% 62% 59% 56% 54% 53% 54% 58%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
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0%
 
0%
 
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0%
 
0%
Snow
 
0%
 
0%
 
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Ice
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 8 NW 9 NW 9 NW 9 NW 9 NW 8 NW 7 NW 7 NW
UV Index 0 1 1 1 1 1 0 0
Cloud Cover 5% 0% 1% 6% 46% 46% 46% 46%
Dew Point 18° 19° 19° 19° 19° 19° 18° 18°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Dec 19

more Historical Weather Data >
  Today Normal Record 12/19/2013
High 34° 38° N/A 41°
Low 21° 20° N/A 22°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:12 AM with 9:04 of sunlight, then sets at 4:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:20 AM with 10:18 of moolight, then sets at 2:38 PM

Lancaster Weather Report

Boston: Quiet Weekend Weather to be Followed by Christmas Eve Storm

December 18, 2014; 4:08 PM ET

Following benign weather this weekend, a major storm will affect Boston, much of the East and Midwest on Christmas Eve. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.