• Today

    Mar 5

    27°Lo 1°

    Mostly cloudy and colder

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

    Mar 6

    25°Lo 8°

    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 17°

    Some sun, then clouds

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

    Mar 8

    38°Lo 23°

    Rather cloudy

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

    Mar 9

    41°Lo 18°

    A chance for a snow shower

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      76%
    more
Next Previous
Hi 32° RealFeel® 28° Precipitation 0%

Day

N

E

S

W

  • W 7 mph
  • Gusts: 15 mph

Some sun, then increasing clouds

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 17° RealFeel® 13° Precipitation 3%

Night

N

E

S

W

  • SW 6 mph
  • Gusts: 8 mph

Clear to partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Mar 7

more Historical Weather Data >
  Today Normal Record 3/7/2014
High 32° 42° N/A 38°
Low 17° 25° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 11:30 of sunlight, then sets at 5:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:45 PM with 11:39 of moolight, then sets at 7:24 AM

Londonderry Weather Report

Boston: Snow, Freeze-up to Precede Thaw

March 5, 2015; 8:10 AM ET

Boston will lie on the northern edge of a 1,500-mile swath of snow, slippery roads and travel disruptions for a time on Thursday. more >

Making a Forecast: The Sixth Sense

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

Sat. Dust & Dander

Sat. Wind Maps