• Today

    Aug 20

    80°Lo 58°

    Fog in the a.m.; partly sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      85°
    more
  • Thu

    Aug 21

    72°Lo 56°

    Partly sunny, showers around

    Good for lawn mowing
    • Hours of Precip
      5
    • Precip
      80%
    • Hi
      RealFeel
      76°
  • Fri

    Aug 22

    71°Lo 53°

    Clouds and sun with a shower

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      42%
    • Hi
      RealFeel
      74°
    more
  • Sat

    Aug 23

    73°Lo 52°

    Clouds and sun with a shower

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      40%
    • Hi
      RealFeel
      76°
    more
  • Sun

    Aug 24

    74°Lo 52°

    Intervals of clouds and sun

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      11%
    • Hi
      RealFeel
      76°
    more
Next Previous
Hi 72° RealFeel® 76° Precipitation 80%

Day

N

E

S

W

  • SE 3 mph
  • Gusts: 6 mph

Times of clouds and sun with spotty showers

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 29%
  • Precipitation: 0.44 in
  • Rain: 0.44 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 5 hrs
  • Hours of Rain: 5 hrs
Lo 56° RealFeel® 55° Precipitation 25%

Night

N

E

S

W

  • N 2 mph
  • Gusts: 3 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 23%
  • 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 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 72° 79° N/A 86°
Low 56° 55° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:03 AM with 13:42 of sunlight, then sets at 7:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:28 AM with 14:46 of moolight, then sets at 5:14 PM

Top Story

Londonderry Weather Report

Heavy Rain to Avoid Boston Through Weekend

August 20, 2014; 3:13 AM ET

A wedge of dry air will slowly erode later this week and may allow spotty showers to survive the trip into Boston from the Midwest. more >

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Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Thu. Overnight Freeze

Thu. Degree Days

Thu. Evapotranspiration