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  • Sun

    Sep 20

    Sunny 77°Lo 53°
    more
  • Mon

    Sep 21

    Cloudy 75°Lo 53°
    more
  • Tue

    Sep 22

    Mostly sunny 74°Lo 51°
    more
  • Wed

    Sep 23

    Overcast 74°Lo 51°
    more
  • Thu

    Sep 24

    Overcast 74°Lo 50°
Hi 74° RealFeel® 73° Precipitation 25%

Day

N

E

S

W

  • SSW 7 mph
  • Gusts: 15 mph

Overcast

  • Max UV Index: 2 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 50° RealFeel® 49° Precipitation 25%

Night

N

E

S

W

  • WSW 5 mph
  • Gusts: 8 mph

Clearing

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • 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 24

more Historical Weather Data >
  Today Normal Record 9/24/2014
High 74° 70° 89° (2010) 68°
Low 50° 46° 25° (1953) 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 12:05 of sunlight, then sets at 6:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:29 PM with 10:55 of moolight, then sets at 3:24 AM

Merrimack Weather Report

Boston: Warmth to Rebuild on Labor Day After Cooldown

September 5, 2015; 6:48 AM ET

A push of cool air from northeastern Canada will keep warmth, haze and humidity at bay around Boston this weekend before all three conditions return by early next week. more >