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  • Fri

    Aug 15

    Times of clouds and sun 74°Lo 53°
    more
  • Sat

    Aug 16

    Sunny 75°Lo 57°
    more
  • Sun

    Aug 17

    Increasing cloudiness 83°Lo 63°
    more
  • Mon

    Aug 18

    Afternoon thunderstorms 79°Lo 58°
  • Tue

    Aug 19

    Partial sunshine 76°Lo 56°
    more
Hi 79° RealFeel® 78° Precipitation 81%

Day

N

E

S

W

  • SW 7 mph
  • Gusts: 13 mph

Overcast; a morning shower or thunderstorm in spots, then afternoon showers and thunderstorms

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 41%
  • Precipitation: 0.77 in
  • Rain: 0.77 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs
Lo 58° RealFeel® 56° Precipitation 64%

Night

N

E

S

W

  • WSW 3 mph
  • Gusts: 7 mph

Mostly cloudy with a couple of showers and a thunderstorm, mainly early

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.32 in
  • Rain: 0.32 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs

Temperature History - Aug 18

more Historical Weather Data >
  Today Normal Record 8/18/2013
High 79° 81° 96° (2009) 82°
Low 58° 58° 43° (1960) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:55 AM with 13:49 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:55 AM with 2:50 of moolight, then sets at 2:46 PM

Top Story

Merrimack Weather Report

Boston: Rain to Dampen Weekend Plans

July 31, 2014; 3:06 AM ET

Rain will converge along the Atlantic Seaboard this weekend with Boston caught on the edge. more >