• Tonight

    Aug 25

    Lo 71°

    Mostly cloudy with a shower

    Running Weather
    • Precip
      23%
    • Hours of Precip
      1
    • Wind
      Gust
      17 mph
  • Fri

    Aug 26

    88°Lo 63°

    A morning t-storm in spots

    Good for running
    • Precip
      40%
    • Hours of Precip
      1
    • Wind
      Gust
      9 mph
    more
  • Sat

    Aug 27

    87°Lo 60°

    Partly sunny; low humidity

    Very Good for running
    • Precip
      7%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
  • Sun

    Aug 28

    86°Lo 68°

    Mostly sunny

    Very Good for running
    • Precip
      16%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
    more
  • Mon

    Aug 29

    89°Lo 63°

    A shower or t-storm in spots

    Good for running
    • Precip
      41%
    • Hours of Precip
      1.5
    • Wind
      Gust
      10 mph
    more
Next Previous
Hi 87° RealFeel® 90° Precipitation 23%

Day

N

E

S

W

  • SSW 9 mph
  • Gusts: 17 mph

A blend of sun and clouds

  • Max UV Index: 5 (Moderate)
  • 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 71° RealFeel® 73° Precipitation 40%

Night

N

E

S

W

  • SW 6 mph
  • Gusts: 9 mph

Mostly cloudy, warm and humid with a shower in the area

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.02 in
  • Rain: 0.02 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Aug 25

more Historical Weather Data >
  Today Normal Record 8/25/2015
High 87° 80° 97° (2007) 84°
Low 71° 56° 38° (1971) 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:04 AM with 13:27 of sunlight, then sets at 7:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:08 AM with -10:-55 of moolight, then sets at 2:13 PM

Merrimack Weather Report

Is summer heat, humidity over for the northeastern US?

August 25, 2016; 3:22 PM ET

Following a taste of autumn chill to start the week, is summer heat and humidity over for the northeastern United States? more >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.