• Today

    Aug 27

    86°Lo 64°

    Lots of sun; warm, less humid

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

    Aug 28

    86°Lo 67°

    Partly sunny

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

    Aug 29

    85°Lo 62°

    Partly sunny

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

    Aug 30

    83°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 61°

    A shower in the afternoon

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Next 8 hours >
  Sat
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Partly Cloudy
Partly Cloudy
Temp (°F) 86° 86° 85° 83° 81° 78° 76° 75°
RealFeel® 91° 89° 86° 82° 79° 77° 76° 75°
Humidity 40% 39% 42% 45% 51% 55% 58% 62%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 5 N 5 NNE 5 NNE 5 ENE 5 ESE 2 SE 2 SSE 2 SSE
UV Index 4 3 2 1 0 0 0 0
Cloud Cover 41% 38% 25% 17% 17% 26% 38% 45%
Dew Point 60° 59° 59° 60° 61° 61° 61° 62°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 27

more Historical Weather Data >
  Today Normal Record 8/27/2015
High 86° 79° N/A 80°
Low 64° 59° N/A 60°

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

Londonderry Weather Report

More summery days await the northeastern US into September

August 27, 2016; 12:24 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