• Tonight

    Feb 11

    Lo 1°

    Clouds breaking; colder

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Fri

    Feb 12

    23°Lo 7°

    Sun giving way to clouds

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

    Feb 13

    13°Lo -7°

    A snow shower; windy, frigid

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

    Feb 14

    11°Lo -9°

    Sunshine and bitterly cold

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

    Feb 15

    23°Lo 10°

    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 >
  Thu
10pm
11pm Fri
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  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 11° 10°
RealFeel® -5° -5° -4° -16° -14° -13° -12° -12°
Humidity 58% 58% 60% 60% 60% 63% 65% 64%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
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Snow
 
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  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 12 WNW 10 WNW 10 WNW 18 WNW 16 WNW 15 WNW 13 WNW 12 W
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 78% 76% 76% 26% 26% 26% 26% 26%
Dew Point -2° -3° -3° -3° -4° -3° -3° -5°
Middle Grid line 15 F Middle Grid line 10 F Middle Grid line 5 F Middle Grid line 0 F

Temperature History - Feb 11

more Historical Weather Data >
  Today Normal Record 2/11/2015
High 24° 34° N/A 28°
Low 11° N/A 10°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:53 AM with 10:23 of sunlight, then sets at 5:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:35 AM with 12:36 of moolight, then sets at 9:11 PM

Winchester Weather Report

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

February 11, 2016; 8:07 PM 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 >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps