• Today

    Aug 25

    88°Lo 70°

    Times of clouds and sun

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

    Aug 26

    90°Lo 67°

    A morning t-storm in spots

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

    Aug 27

    86°Lo 61°

    Partly sunny and pleasant

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

    Aug 28

    84°Lo 64°

    Partly sunny

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

    Aug 29

    88°Lo 64°

    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 >
  Thu
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Mostly Sunny
Sunny
Mostly Sunny
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 66° 69° 73° 77° 81° 84° 85° 87°
RealFeel® 64° 69° 75° 79° 84° 88° 89° 90°
Humidity 87% 77% 70% 60% 55% 51% 47% 44%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
1%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 7 SSW 6 SSW 7 SSW 7 SSW 8 SSW 9 SSW 9 SSW 9 SSW
UV Index 0 1 2 3 4 5 5 5
Cloud Cover 11% 0% 20% 45% 65% 70% 66% 65%
Dew Point 61° 62° 63° 62° 63° 64° 63° 63°
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 Middle Grid line 65 F

Temperature History - Aug 25

more Historical Weather Data >
  Today Normal Record 8/25/2015
High 88° 80° N/A 84°
Low 70° 60° N/A 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:03 AM with 13:28 of sunlight, then sets at 7:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:13 AM with 3:58 of moolight, then sets at 2:12 PM

Londonderry Weather Report

Is summer heat, humidity over for the northeastern US?

August 25, 2016; 3:02 AM ET

Following a taste of autumn chill to start the week, is summer heat and humidity over for the northeastern United States? more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps