• Today

    Dec 21

    34°Lo 26°

    A little snow at times

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Mon

    Dec 22

    38°Lo 33°

    Mostly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Tue

    Dec 23

    43°Lo 39°

    Mostly cloudy and misty; fog

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Dec 24

    54°Lo 49°

    Rain; windy, not as cool

    Low ragweed pollen levels
    • Precip
      87%
    • Wind
      Speed
      18 mph
    • Cloud
      Cover
      99%
    more
  • Thu

    Dec 25

    53°Lo 33°

    Windy; morning rain, colder

    Ragweed Pollen Weather
    • Precip
      65%
    • Wind
      Speed
      17 mph
    • Cloud
      Cover
      88%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 26° 27° 29° 32° 35° 36° 37° 38°
RealFeel® 27° 28° 30° 33° 36° 37° 38° 38°
Humidity 91% 91% 87% 82% 79% 78% 78% 77%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
1%
 
5%
 
5%
Snow
 
7%
 
7%
 
7%
 
7%
 
7%
 
6%
 
2%
 
2%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 2 N 2 NNE 2 NNE 4 NNE 4 NNE 4 NE 4 NE 4 NE
UV Index 0 0 0 0 1 1 1 0
Cloud Cover 82% 83% 87% 90% 90% 90% 90% 90%
Dew Point 24° 25° 26° 27° 29° 29° 30° 31°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Dec 22

more Historical Weather Data >
  Today Normal Record 12/22/2013
High 38° 36° N/A 46°
Low 33° 20° N/A 32°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:13 AM with 9:02 of sunlight, then sets at 4:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:22 AM with 10:01 of moolight, then sets at 5:23 PM

Londonderry Weather Report

Boston: Chilly, Snowy Weekend to be Followed by Christmas Eve Storm

December 21, 2014; 4:21 AM ET

Following a chilly, snowy weekend, a major storm will affect Boston, and much of the East and Midwest on Christmas Eve. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps