• Today

    Jul 27

    92°Lo 69°

    Mostly sunny and hot

    Very Good for biking
    • Precip
      5%
    • Hours of Precip
      0
    • Wind
      Gust
      6 mph
    more
  • Thu

    Jul 28

    94°Lo 70°

    A p.m. t-storm in spots

    Very Good for biking
    • Precip
      40%
    • Hours of Precip
      1
    • Wind
      Gust
      7 mph
    more
  • Fri

    Jul 29

    83°Lo 63°

    Partly sunny and not as hot

    Very Good for biking
    • Precip
      25%
    • Hours of Precip
      1.5
    • Wind
      Gust
      6 mph
    more
  • Sat

    Jul 30

    85°Lo 65°

    Intervals of clouds and sun

    Excellent for biking
    • Precip
      12%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
  • Sun

    Jul 31

    82°Lo 64°

    A couple of thunderstorms

    Good for biking
    • Precip
      60%
    • Hours of Precip
      5
    • Wind
      Gust
      7 mph
Next Previous
Hi 82° RealFeel® 87° Precipitation 60%

Day

N

E

S

W

  • ENE 4 mph
  • Gusts: 7 mph

Mostly cloudy with a couple of showers and a thunderstorm

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0.23 in
  • Rain: 0.23 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs
Lo 64° RealFeel® 65° Precipitation 60%

Night

N

E

S

W

  • S 2 mph
  • Gusts: 6 mph

A couple of evening showers; otherwise, partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.2 in
  • Rain: 0.2 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2015
High 82° 82° N/A 88°
Low 64° 63° N/A 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:36 AM with 14:31 of sunlight, then sets at 8:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:22 AM with 14:55 of moolight, then sets at 6:17 PM

Londonderry Weather Report

Dangerous heat wave to persist in northeastern US much of this week

July 27, 2016; 4:00 AM ET

A stifling heat wave will remain entrenched across the Northeast much of this week, despite a brief reprieve in humidity for some. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.