• Early AM

    Aug 31

    Lo 60°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Today

    Aug 31

    88°Lo 67°

    Partial sunshine

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

    Sep 1

    79°Lo 58°

    Intervals of clouds and sun

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

    Sep 2

    75°Lo 54°

    Breezy with variable clouds

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

    Sep 3

    75°Lo 53°

    Mostly sunny and beautiful

    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
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Cloudy
Showers
Showers
Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 70° 69° 68° 67° 68° 68° 70° 72°
RealFeel® 69° 66° 65° 67° 68° 69° 72° 75°
Humidity 80% 83% 86% 87% 87% 86% 82% 76%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
47%
 
51%
 
52%
 
48%
 
36%
 
20%
 
20%
 
20%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
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  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 4 SW 4 WSW 4 WSW 4 WSW 4 SW 4 SW 4 WSW 5 W
UV Index 0 0 0 0 0 0 1 2
Cloud Cover 94% 94% 94% 94% 94% 70% 70% 70%
Dew Point 63° 64° 64° 63° 64° 64° 64° 64°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2015
High 79° 78° N/A 86°
Low 58° 58° N/A 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 13:08 of sunlight, then sets at 7:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:19 AM with 13:13 of moolight, then sets at 7:32 PM

Londonderry Weather Report

September to start on cooler, less humid note in northeastern US

August 30, 2016; 8:24 PM ET

Brief relief from heat and humidity will arrive in the northeastern United States during the first days of September. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps