1 - 5 of 45 days | All 45 days
Next 5 Days
  • Today

    Sep 19

    Mostly sunny and cooler 58°Lo 38°
  • Sat

    Sep 20

    Warmer with sun, some clouds 71°Lo 59°
    more
  • Sun

    Sep 21

    Some sun, then clouds 79°Lo 57°
    more
  • Mon

    Sep 22

    Partly sunny and not as warm 68°Lo 44°
    more
  • Tue

    Sep 23

    Partly sunny 68°Lo 44°
    more
Hi 58° RealFeel® 62° Precipitation 4%

Day

N

E

S

W

  • ENE 6 mph
  • Gusts: 12 mph

Mostly sunny and cooler

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 6%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 38° RealFeel® 39° Precipitation 12%

Night

N

E

S

W

  • SSE 2 mph
  • Gusts: 5 mph

Clear to partly cloudy; there can be frost in the normally colder spots

  • 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 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 58° 72° 91° (1983) 80°
Low 38° 48° 30° (1959) 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 12:19 of sunlight, then sets at 6:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:08 AM with 14:11 of moolight, then sets at 4:19 PM

Top Story

Groton Weather Report

Boston: Remainder of Week to Be Dry, Cool

September 19, 2014; 5:00 AM ET

Rainfall will continue to be scarce around Boston this week, but cool air will be plentiful. more >