• Today

    Apr 17

    47°Lo 26°

    Mostly sunny and chilly

    Very High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
  • Fri

    Apr 18

    54°Lo 32°

    Partly sunny and warmer

    Very High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Sat

    Apr 19

    61°Lo 33°

    Mostly cloudy

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Sun

    Apr 20

    59°Lo 34°

    Intervals of clouds and sun

    High indoor dust & dander levels
    • Precip
      6%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      46%
    more
  • Mon

    Apr 21

    64°Lo 41°

    Partial sunshine

    High indoor dust & dander levels
    • Precip
      14%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      41%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Clear
Clear
Clear
Clear
Clear
Clear
Sunny
Mostly Sunny
Temp (°F) 28° 27° 26° 24° 25° 25° 26° 31°
RealFeel® 24° 25° 25° 22° 23° 23° 21° 25°
Humidity 61% 64% 69% 73% 72% 71% 67% 57%
   
  1am 2am 3am 4am 5am 6am 7am 8am
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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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 5 N 4 N 3 NNW 4 NNW 4 N 4 N 5 N 7 NNE
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 0% 1% 1% 0% 1% 5% 6% 24%
Dew Point 17° 16° 17° 17° 17° 17° 16° 17°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F

Temperature History - Apr 17

more Historical Weather Data >
  Today Normal Record 4/17/2013
High 47° 60° N/A 67°
Low 26° 37° N/A 41°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:03 AM with 13:27 of sunlight, then sets at 7:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:16 PM with 10:01 of moolight, then sets at 8:17 AM

Top Story

Lancaster Weather Report

Boston: Milder Weather to Arrive Easter Weekend

April 17, 2014; 11:37 AM ET

The return of milder weather to Boston will coincide with Easter weekend. more >

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps