• Tonight

    Aug 31

    Lo 67°

    Mostly cloudy, late showers

    Ragweed Pollen Weather
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
  • 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
    more
Next Previous
Mostly cloudy 75° RealFeel® 75°

N

E

S

W

  • Humidity: 70%
  • Pressure: 29.87 in
  • UV Index: 0
  • Cloud Cover: 75%
  • Ceiling: 16300 ft
  • Dew Point: 65° F
  • Visibility: 10 mi
5 mph

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 13:11 of sunlight, then sets at 7:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:18 AM with 13:42 of moolight, then sets at 7:00 PM

Temperature Summary - 11:37 PM

  Temp (°F)
Now 75°
Yesterday 81°
RealFeel® 75°
RealFeel® Shade 75°
Wind Chill 75°
Dew Point 65°
  Hi / Lo
Previous 6 Hours 80°
  74°
Previous 12 Hours 86°
  74°
Previous 24 Hours 86°
  60°

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2015
High 85° 78° N/A 88°
Low 67° 58° N/A 65°

Precipitation Summary - 11:37 PM

  Amount (in)
Previous 1 Hour 0
Previous 3 Hours 0
Previous 6 Hours 0
Previous 9 Hours 0
Previous 12 Hours 0
Previous 18 Hours 0
Previous 24 Hours 0

Londonderry Weather Report

Warm fall may jeopardize foliage displays in northeastern US

August 31, 2016; 8:05 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 >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps