• Early AM

    Dec 20

    Lo 22°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Dec 20

    35°Lo 25°

    Turning cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Dec 21

    35°Lo 26°

    Intervals of clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Mon

    Dec 22

    38°Lo 30°

    Some sun, then clouds

    Low ragweed pollen levels
    • Precip
      14%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      60%
    more
  • Tue

    Dec 23

    41°Lo 38°

    A touch of afternoon rain

    Low ragweed pollen levels
    • Precip
      75%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      95%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Sunny
Temp (°F) 27° 27° 27° 27° 26° 25° 25° 26°
RealFeel® 27° 27° 27° 26° 25° 24° 25° 26°
Humidity 78% 78% 79% 80% 81% 82% 82% 80%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
7%
 
7%
 
7%
 
7%
 
7%
 
6%
 
5%
 
5%
Ice
 
0%
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 2 N 2 N 4 N 4 N 4 N 4 N 4 N 4 N
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 76% 76% 76% 76% 76% 76% 46% 46%
Dew Point 21° 21° 21° 21° 20° 20° 20° 21°
Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 35° 38° N/A 55°
Low 26° 19° N/A 28°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:13 AM with 9:04 of sunlight, then sets at 4:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:24 AM with 9:58 of moolight, then sets at 4:22 PM

Lancaster Weather Report

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

December 19, 2014; 9:00 PM ET

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

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps