• Tonight

    Aug 27

    Lo 63°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
    more
  • 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
  • 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
< Previous 8 hours Next 8 hours >
  Tue
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 68° 71° 74° 76° 78° 79° 80° 81°
RealFeel® 70° 75° 80° 83° 85° 86° 85° 84°
Humidity 78% 66% 56% 50% 46% 44% 40% 38%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 NNW 4 NNW 4 NW 4 WNW 4 W 4 WSW 5 SW 5 S
UV Index 2 3 4 5 5 5 4 3
Cloud Cover 24% 38% 50% 53% 51% 50% 51% 52%
Dew Point 61° 59° 57° 56° 56° 55° 54° 53°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 30

more Historical Weather Data >
  Today Normal Record 8/30/2015
High 81° 79° N/A 87°
Low 60° 58° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 13:13 of sunlight, then sets at 7:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:15 AM with 14:10 of moolight, then sets at 6:25 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 >

Tue. Dust & Dander

Tue. Wind Maps