• Today

    Sep 16

    63°Lo 45°

    Cloudy

    Very Good for an outdoor bbq
    • Precip
      67%
    • Hi
      RealFeel
      65°
    • Wind
      Gust
      4 mph
    more
  • Wed

    Sep 17

    69°Lo 45°

    Sunshine and pleasant

    Excellent for an outdoor bbq
    • Precip
      6%
    • Hi
      RealFeel
      73°
    • Wind
      Gust
      5 mph
    more
  • Thu

    Sep 18

    71°Lo 41°

    Partly sunny

    Very Good for an outdoor bbq
    • Precip
      9%
    • Hi
      RealFeel
      72°
    • Wind
      Gust
      16 mph
  • Fri

    Sep 19

    60°Lo 40°

    Mostly sunny and cooler

    Good for an outdoor bbq
    • Precip
      2%
    • Hi
      RealFeel
      63°
    • Wind
      Gust
      9 mph
    more
  • Sat

    Sep 20

    69°Lo 54°

    Mostly sunny and nice

    Very Good for an outdoor bbq
    • Precip
      7%
    • Hi
      RealFeel
      72°
    • Wind
      Gust
      9 mph
    more
Next Previous
Hi 71° RealFeel® 72° Precipitation 9%

Day

N

E

S

W

  • NW 8 mph
  • Gusts: 16 mph

Partly sunny

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 41° RealFeel® 37° Precipitation 8%

Night

N

E

S

W

  • NNE 6 mph
  • Gusts: 12 mph

Clear and chilly

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

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 71° 72° 90° (1955) 75°
Low 41° 48° 30° (1950) 38°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 12:22 of sunlight, then sets at 6:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:13 AM with 14:32 of moolight, then sets at 3:45 PM

Top Story

Merrimack Weather Report

Boston: Much of Week to Be Dry, Cool

September 16, 2014; 9:15 AM ET

Rainfall will be scarce around Boston this week, but cool air will be plentiful. 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.

Thu. Outdoor Entertaining

Thu. Wind Maps

Thu. UV Index