• Today

    Jul 29

    92°Lo 69°

    Periods of sun; hot, humid

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

    Jul 30

    91°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 63°

    Sunny and less humid

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

    Aug 1

    87°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 62°

    Sunshine and patchy clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
Next Previous
Hi 85° RealFeel® 90° Precipitation 18%

Day

N

E

S

W

  • WNW 7 mph
  • Gusts: 12 mph

Sunshine and patchy clouds

  • Max UV Index: 7 (High)
  • Thunderstorms: 11%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 62° RealFeel® 63° Precipitation 21%

Night

N

E

S

W

  • WSW 2 mph
  • Gusts: 9 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 2

more Historical Weather Data >
  Today Normal Record 8/2/2014
High 85° 82° N/A 75°
Low 62° 63° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:37 AM with 14:28 of sunlight, then sets at 8:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:24 PM with 12:03 of moolight, then sets at 9:27 AM

Derry Weather Report

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

July 29, 2015; 2:37 PM 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 >

Sun. Dust & Dander

Sun. Wind Maps