• Today

    Sep 20

    66°Lo 61°

    Warmer

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

    Sep 21

    73°Lo 63°

    Humid with periods of rain

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

    Sep 22

    74°Lo 50°

    Partly sunny and breezy

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

    Sep 23

    66°Lo 54°

    Partly sunny and not as warm

    Low ragweed pollen levels
    • Precip
      3%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      26%
    more
  • Wed

    Sep 24

    65°Lo 52°

    A full day of sunshine

    Ragweed Pollen Weather
    • Precip
      7%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      1%
    more
Next Previous
Partly to mostly cloudy 64° Lo 63° RealFeel® 62° / 60°

N

E

S

W

  • Precipitation: 3%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 82%
  • Cloud Cover: 46%
  • Dew Point: 58° F
  • Visibility: 10 mi
5 mph

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 66° 68° N/A 76°
Low 61° 57° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 12:16 of sunlight, then sets at 6:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:59 AM with 13:45 of moolight, then sets at 4:44 PM

Top Story

Chatham Weather Report

Boston: September Temperature Roller Coaster to Continue

September 20, 2014; 2:02 AM ET

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

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps