• Tonight

    Aug 31

    Lo 67°

    Mostly cloudy, late showers

    Ragweed Pollen Weather
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Sep 1

    80°Lo 58°

    A shower or two; not as warm

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

    Sep 2

    76°Lo 59°

    Partly sunny

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

    Sep 3

    75°Lo 55°

    Mostly sunny

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

    Sep 4

    69°Lo 62°

    A couple of showers possible

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
Next Previous
Hi 69° RealFeel® 73° Precipitation 30%

Day

N

E

S

W

  • E 6 mph
  • Gusts: 9 mph

Mostly cloudy with a couple of showers possible

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 15%
  • 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® 62° Precipitation 30%

Night

N

E

S

W

  • NE 2 mph
  • Gusts: 7 mph

Mostly cloudy, chance of a little rain

  • Max UV Index: N/A
  • Thunderstorms: 15%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2015
High 69° 77° N/A 78°
Low 62° 57° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:14 AM with 12:59 of sunlight, then sets at 7:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:18 AM with 11:40 of moolight, then sets at 8:58 PM

Derry Weather Report

Warm fall may jeopardize foliage displays in northeastern US

August 31, 2016; 4:49 PM ET

Though the summer season is winding down, forecasters are predicting a warm start to fall across the Northeast — a weather pattern that could spell bad news for fall foliage lovers. more >

Sun. Dust & Dander

Sun. Wind Maps