• Today

    Sep 17

    69°Lo 47°

    Mostly sunny

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

    Sep 18

    69°Lo 42°

    Sunny to partly cloudy

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

    Sep 19

    60°Lo 43°

    Mostly sunny and pleasant

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

    Sep 20

    70°Lo 58°

    Sunshine and patchy clouds

    Low ragweed pollen levels
    • Precip
      14%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      25%
    more
  • Sun

    Sep 21

    78°Lo 59°

    Mostly cloudy and comfortable

    Ragweed Pollen Weather
    • Precip
      18%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      77%
    more
Next Previous
Partly cloudy 51° Lo 47° RealFeel® 51° / 47°

N

E

S

W

  • Precipitation: 9%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 86%
  • Cloud Cover: 26%
  • Dew Point: 45° F
  • Visibility: 10 mi
2 mph

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 69° 72° N/A 65°
Low 47° 52° N/A 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 12:25 of sunlight, then sets at 6:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:18 AM with 14:47 of moolight, then sets at 3:05 PM

Top Story

Derry Weather Report

Boston: Remainder of Week to Be Dry, Cool

September 17, 2014; 7:15 AM ET

Rainfall will be scarce around Boston this week, but cool air will be plentiful. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps