• Today

    Dec 18

    39°Lo 22°

    Partly sunny and windy

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Dec 19

    32°Lo 16°

    Times of clouds and sun

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

    Dec 20

    31°Lo 19°

    Turning cloudy

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

    Dec 21

    33°Lo 22°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      10%
    • Wind
      Speed
      1 mph
    • Cloud
      Cover
      27%
    more
  • Mon

    Dec 22

    36°Lo 28°

    A blend of sun and clouds

    Ragweed Pollen Weather
    • Precip
      18%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      62%
    more
Next Previous
Next 8 hours >
  Thu
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Mostly Cloudy
Cloudy
Cloudy
Flurries
Flurries
Cloudy
Cloudy
Cloudy
Temp (°F) 34° 33° 33° 34° 34° 33° 30° 31°
RealFeel® 28° 27° 27° 27° 27° 25° 20° 22°
Humidity 77% 78% 75% 74% 73% 73% 77% 77%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
24%
 
7%
 
7%
 
7%
 
7%
 
7%
 
6%
 
2%
Snow
 
35%
 
37%
 
41%
 
45%
 
41%
 
38%
 
34%
 
37%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 7 WNW 7 WNW 8 SW 8 W 8 NNW 8 WNW 10 WNW 9 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 86% 95% 98% 93% 99% 99% 99% 99%
Dew Point 28° 27° 26° 26° 26° 25° 24° 25°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 39° 35° N/A 30°
Low 22° 16° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:15 AM with 9:02 of sunlight, then sets at 4:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:21 AM with 10:38 of moolight, then sets at 1:59 PM

Winchester Weather Report

Boston: Spotty Wintry Weather This Weekend to be Paled by Major Storm Next Week

December 18, 2014; 5:30 AM ET

After a weak storm brings spotty light snow and rain to the region this weekend, a storm will threaten major travel disruptions in Boston before Christmas. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps