• Today

    Feb 11

    27°Lo 6°

    Snow showers; windy, colder

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Feb 12

    24°Lo 12°

    Cold with clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sat

    Feb 13

    17°Lo -7°

    A snow squall in the morning

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

    Feb 14

    12°Lo -1°

    Breezy and very cold

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    Feb 15

    26°Lo 18°

    Clouds and sun; not as cold

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Sunny
Sunny
Sunny
Sunny
Mostly Sunny
Partly Sunny
Partly Cloudy
Mostly Cloudy
Temp (°F) 13° 17° 19° 21° 22° 22°
RealFeel® -1° 14° 17° 18° 18° 18°
Humidity 59% 56% 51% 48% 44% 42% 41% 41%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
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Snow
 
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4%
 
4%
Ice
 
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  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 7 W 7 W 7 WSW 7 WSW 7 WSW 8 SW 8 SW 8 SSW
UV Index 0 0 1 2 2 3 2 1
Cloud Cover 2% 0% 0% 0% 16% 40% 65% 83%
Dew Point -5° -4° -2°
Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F Middle Grid line 10 F Middle Grid line 5 F

Temperature History - Feb 12

more Historical Weather Data >
  Today Normal Record 2/12/2015
High 24° 38° N/A 28°
Low 12° 18° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:48 AM with 10:27 of sunlight, then sets at 5:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:09 AM with 13:09 of moolight, then sets at 10:18 PM

Lancaster Weather Report

Boston: Polar vortex to smack region during Valentine's Day weekend

February 11, 2016; 2:14 AM ET

The coldest air of the winter and perhaps during all of last winter will plunge across the Boston area during Valentine's Day weekend. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps