• Today

    Feb 12

    23°Lo 11°

    Sun mixing with clouds; cold

    Beneficial weather for arthritis pain
    • Snow
      0.40 in
    • Hours of Precip
      0.5
    • UV
      4 - Moderate
  • Sat

    Feb 13

    19°Lo -8°

    A snow squall in the morning

    At Risk weather for arthritis pain
    • Snow
      0.60 in
    • Hours of Precip
      1
    • UV
      2 - Low
    more
  • Sun

    Feb 14

    11°Lo -1°

    Mostly sunny and frigid

    Beneficial weather for arthritis pain
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      4 - Moderate
    more
  • Mon

    Feb 15

    27°Lo 21°

    Becoming cloudy; not as cold

    Beneficial weather for arthritis pain
    • Snow
      0.79 in
    • Hours of Precip
      2.5
    • UV
      2 - Low
    more
  • Tue

    Feb 16

    51°Lo 34°

    Warmer with rain

    At Extreme Risk weather for arthritis pain
    • Rain
      0.72 in
    • Hours of Precip
      11.5
    • UV
      2 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
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  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Clear
Clear
Clear
Clear
Mostly Clear
Sunny
Sunny
Sunny
Temp (°F) 12°
RealFeel® -10° -9° -8° -7° -3° -2°
Humidity 63% 68% 70% 71% 66% 55% 52% 46%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
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Snow
 
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Ice
 
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  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 13 WNW 12 WNW 9 W 8 WNW 7 WNW 7 W 7 W 7 W
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 2% 3% 3% 2% 18% 0% 0% 3%
Dew Point -2° -2° -2° -4° -5° -7° -6° -5°
Middle Grid line 15 F Middle Grid line 10 F Middle Grid line 5 F Middle Grid line 0 F

Temperature History - Feb 12

more Historical Weather Data >
  Today Normal Record 2/12/2015
High 23° 38° N/A 28°
Low 11° 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 12, 2016; 8:07 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. Arthritis Pain

Fri. UV Index