• Today

    Jul 30

    90°Lo 65°

    A heavy t-storm in the p.m.

    Very Good for biking
    • Precip
      56%
    • Hours of Precip
      2
    • Wind
      Gust
      15 mph
    more
  • Fri

    Jul 31

    86°Lo 61°

    Sunny and less humid

    Very Good for biking
    • Precip
      5%
    • Hours of Precip
      0
    • Wind
      Gust
      14 mph
    more
  • Sat

    Aug 1

    87°Lo 64°

    Sun, some clouds

    Excellent for biking
    • Precip
      25%
    • Hours of Precip
      1.5
    • Wind
      Gust
      13 mph
    more
  • Sun

    Aug 2

    85°Lo 65°

    Mostly sunny

    Excellent for biking
    • Precip
      15%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
  • Mon

    Aug 3

    88°Lo 68°

    A thunderstorm possible

    Very Good for biking
    • Precip
      30%
    • Hours of Precip
      0
    • Wind
      Gust
      16 mph
    more
Next Previous
Hi 85° RealFeel® 88° Precipitation 15%

Day

N

E

S

W

  • WSW 9 mph
  • Gusts: 15 mph

Mostly sunny

  • Max UV Index: 7 (High)
  • Thunderstorms: 7%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 65° RealFeel® 64° Precipitation 20%

Night

N

E

S

W

  • SW 6 mph
  • Gusts: 9 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 9%
  • 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 2

more Historical Weather Data >
  Today Normal Record 8/2/2014
High 85° 83° 100° (1975) 75°
Low 65° 59° 40° (1953) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:38 AM with 14:28 of sunlight, then sets at 8:06 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:25 PM with 12:03 of moolight, then sets at 9:28 AM

Merrimack Weather Report

Boston: Dog Days of Summer in Store for Rest of Week

July 30, 2015; 4:34 AM ET

Typical hot and humid weather, known as the dog days of summer, is in store for the Boston area during much of this week. 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.