• Tonight

    Mar 5

    Lo 7°

    Partly cloudy and frigid

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Mar 6

    24°Lo 11°

    Mostly sunny and very cold

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

    Mar 7

    32°Lo 20°

    Some sun, then clouds

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

    Mar 8

    38°Lo 22°

    Rather cloudy

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      85%
  • Mon

    Mar 9

    42°Lo 20°

    A chance for a snow shower

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      76%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 32° 34° 36° 37° 38° 37° 35° 32°
RealFeel® 30° 32° 34° 36° 37° 34° 31° 27°
Humidity 75% 72% 68% 65% 61% 62% 64% 66%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
3%
 
3%
 
3%
 
4%
 
7%
 
7%
 
7%
 
7%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 6 SSW 7 SSW 7 SSW 7 SSW 7 SW 7 SW 7 SW 8 SW
UV Index 1 1 2 2 2 1 1 0
Cloud Cover 73% 86% 92% 93% 92% 93% 96% 99%
Dew Point 25° 26° 26° 26° 26° 25° 24° 22°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Mar 8

more Historical Weather Data >
  Today Normal Record 3/8/2014
High 38° 42° N/A 50°
Low 22° 25° N/A 18°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:10 AM with 11:33 of sunlight, then sets at 6:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:43 PM with 11:11 of moolight, then sets at 8:54 AM

Londonderry Weather Report

Boston: Milder Weather to Follow Cold Start to Weekend

March 5, 2015; 6:01 PM ET

In the wake of a storm that brought heavy snow to the southern New England coast on Thursday, milder air will follow by next week around Boston. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Sun. Dust & Dander

Sun. Wind Maps