• Today

    Sep 19

    58°Lo 37°

    Mostly sunny and cool

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

    Sep 20

    68°Lo 57°

    Breezy with periods of sun

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

    Sep 21

    76°Lo 54°

    Variably cloudy and warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Mon

    Sep 22

    64°Lo 40°

    Cooler with periods of sun

    Low ragweed pollen levels
    • Precip
      14%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      48%
    more
  • Tue

    Sep 23

    66°Lo 40°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      12%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      26%
    more
Next Previous
A shower or thunderstorm 67° Lo 62° RealFeel® 65° / 61°

N

E

S

W

  • Precipitation: 55%
  • Rain: 0.05 in
  • Snow: 0 in
  • Humidity: 89%
  • Cloud Cover: 74%
  • Dew Point: 61° F
  • Visibility: 9 mi
3 mph

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 76° 71° N/A 73°
Low 54° 45° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 12:14 of sunlight, then sets at 6:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:04 AM with 13:21 of moolight, then sets at 5:25 PM

Top Story

Winchester Weather Report

Boston: September Temperature Roller Coaster to Continue

September 19, 2014; 11:02 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Boston. more >

Sun. Dust & Dander

Sun. Wind Maps