• Today

    Feb 11

    24°Lo 2°

    A snow shower; windy, colder

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

    Feb 12

    22°Lo 8°

    Sun giving way to clouds

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

    Feb 13

    13°Lo -9°

    Cloudy, a snow shower; frigid

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

    Feb 14

    10°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

    25°Lo 16°

    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
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Temp (°F)
RealFeel®
Humidity 63% 63% 66% 67% 67% 68% 79% 65%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
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0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
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0%
Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 5 WNW 5 WNW 4 WNW 4 WNW 4 W 2 W 2 WSW 4 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 26% 25% 25%
Dew Point -1° -2° -2° -2° -4° -4° -4° -3°
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 22° 35° N/A 25°
Low 11° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:51 AM with 10:26 of sunlight, then sets at 5:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:11 AM with 13:11 of moolight, then sets at 10:22 PM

Winchester 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