• Fri

    Aug 14

    75°Lo 55°

    Mostly cloudy, a few showers

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

    Aug 15

    77°Lo 58°

    Partly sunny with a shower

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

    Aug 16

    78°Lo 59°

    Clouds breaking for some sun

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

    Aug 17

    84°Lo 58°

    Sun and some clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    Aug 18

    83°Lo 65°

    Some sun with a few showers

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
Next Previous
Hi 83° RealFeel® 87° Precipitation 61%

Day

N

E

S

W

  • WSW 2 mph
  • Gusts: 9 mph

Intervals of clouds and sunshine with a couple of showers, mainly later

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 29%
  • Precipitation: 0.06 in
  • Rain: 0.06 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 65° RealFeel® 65° Precipitation 25%

Night

N

E

S

W

  • WSW 4 mph
  • Gusts: 12 mph

Rather 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 - Aug 18

more Historical Weather Data >
  Today Normal Record 8/18/2014
High 83° 81° N/A 76°
Low 65° 61° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:55 AM with 13:48 of sunlight, then sets at 7:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:42 AM with 11:52 of moolight, then sets at 9:34 PM

Londonderry Weather Report

PHOTOS: Severe Weather Slams Boston

August 4, 2015; 8:26 PM ET

A line of violent thunderstorms tore across Massachusetts, including the Boston area, Tuesday afternoon. Isolated severe thunderstorms will continue into Tuesday evening. more >