• Sat

    May 16

    72°Lo 49°

    Thickening clouds

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    May 17

    71°Lo 57°

    Considerable cloudiness

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    May 18

    81°Lo 58°

    Partly sunny, a t-storm; warm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Tue

    May 19

    81°Lo 59°

    Cloudy and warm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Wed

    May 20

    70°Lo 50°

    Rain and a thunderstorm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 81° RealFeel® 83° Precipitation 8%

Day

N

E

S

W

  • W 5 mph
  • Gusts: 15 mph

Cloudy and warm

  • Max UV Index: 5 (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 59° RealFeel® 58° Precipitation 25%

Night

N

E

S

W

  • W 4 mph
  • Gusts: 12 mph

Mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 14%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - May 19

more Historical Weather Data >
  Today Normal Record 5/19/2014
High 81° 70° N/A 66°
Low 59° 48° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:19 AM with 14:46 of sunlight, then sets at 8:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:45 AM with 14:53 of moolight, then sets at 9:38 PM

Londonderry Weather Report

Boston: Summerlike Warmth to Return This Weekend

May 6, 2015; 2:17 PM ET

Following a cooldown at midweek, warmth will return to the Boston area by this weekend. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.