• Tonight

    Aug 27

    Lo 63°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
  • Sun

    Aug 28

    85°Lo 65°

    Partly sunny

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

    Aug 29

    88°Lo 62°

    Partly sunny

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

    Aug 30

    81°Lo 60°

    Partial sunshine

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

    Aug 31

    87°Lo 62°

    A thunderstorm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Mostly cloudy 77° RealFeel® 75°

N

E

S

W

  • Humidity: 44%
  • Pressure: 30.24 in ↑
  • UV Index: 0
  • Cloud Cover: 75%
  • Ceiling: 30400 ft
  • Dew Point: 54° F
  • Visibility: 10 mi
5 mph

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:05 AM with 13:22 of sunlight, then sets at 7:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:16 AM with 14:55 of moolight, then sets at 4:11 PM

Temperature Summary - 9:24 PM

  Temp (°F)
Now 77°
Yesterday 75°
RealFeel® 75°
RealFeel® Shade 75°
Wind Chill 77°
Dew Point 54°
  Hi / Lo
Previous 6 Hours 87°
  77°
Previous 12 Hours 89°
  75°
Previous 24 Hours 89°
  63°

Temperature History - Aug 27

more Historical Weather Data >
  Today Normal Record 8/27/2015
High 86° 79° N/A 80°
Low 63° 59° N/A 60°

Precipitation Summary - 9:24 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

More summery days await the northeastern US into September

August 27, 2016; 5:24 PM ET

Summer heat has returned to the northeastern United States and will continue to dominate most days into September. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps