• Early AM

    Jul 30

    Lo 68°

    Mainly clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Today

    Jul 30

    90°Lo 66°

    A heavy t-storm in the p.m.

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

    Jul 31

    86°Lo 62°

    Sunny and less humid

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

    Aug 1

    86°Lo 62°

    Sun, some clouds

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

    Aug 2

    85°Lo 64°

    Sunshine and patchy clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Clear 78° Lo 68° RealFeel® 76° / 67°

N

E

S

W

  • Precipitation: 17%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 60%
  • Cloud Cover: 0%
  • Dew Point: 58° F
  • Visibility: 10 mi
4 mph

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 86° 82° N/A 81°
Low 62° 63° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:35 AM with 14:33 of sunlight, then sets at 8:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:06 PM with 10:55 of moolight, then sets at 7:01 AM

Derry Weather Report

Boston: Dog Days of Summer in Store for Rest of Week

July 30, 2015; 2:24 AM ET

Typical hot and humid weather, known as the dog days of summer, is in store for the Boston area during much of this week. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps