• Today

    Sep 21

    77°Lo 59°

    A brief shower or two

    Poor at the beach or pool
    • UV
      2 - Low
    • Cloud
      Cover
      89%
    • Precip
      59%
  • Mon

    Sep 22

    70°Lo 43°

    Partly sunny and breezy

    Poor at the beach or pool
    • UV
      4 - Moderate
    • Cloud
      Cover
      46%
    • Precip
      7%
    more
  • Tue

    Sep 23

    69°Lo 46°

    Mostly sunny

    Poor at the beach or pool
    • UV
      5 - Moderate
    • Cloud
      Cover
      11%
    • Precip
      1%
    more
  • Wed

    Sep 24

    66°Lo 44°

    A full day of sunshine

    Good at the beach or pool
    • UV
      5 - Moderate
    • Cloud
      Cover
      0%
    • Precip
      4%
    more
  • Thu

    Sep 25

    71°Lo 50°

    Plenty of sunshine

    Fair at the beach or pool
    • UV
      4 - Moderate
    • Cloud
      Cover
      0%
    • Precip
      9%
    more
Next Previous
Hi 77° RealFeel® 76° Precipitation 59%

Day

N

E

S

W

  • SSE 5 mph
  • Gusts: 10 mph

Clouds and breaks of sun; humid with a brief shower or two

  • Max UV Index: 2 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0.11 in
  • Rain: 0.11 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 59° RealFeel® 55° Precipitation 60%

Night

N

E

S

W

  • WNW 3 mph
  • Gusts: 7 mph

Mostly cloudy with a couple of showers

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Riverside Tide Table - Sep 21

See all tide tables >
Low 6:45 AM 0.3 ft
High 11:29 AM 5 ft
Low 7:02 PM 0.4 ft
High 11:54 PM 5.5 ft

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 77° 70° N/A 76°
Low 59° 50° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 12:14 of sunlight, then sets at 6:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:00 AM with 13:21 of moolight, then sets at 5:21 PM

Top Story

Derry Weather Report

Boston: September Temperature Roller Coaster to Continue

September 21, 2014; 4:42 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Boston. more >

What's that Warning? Warnings at the Beach

Jul 25, 2012; 5:00 AM ET If you're headed to the beach, keep an eye out for any of these watches and warnings issued by the NWS.

Sun. Beach & Pool

Sun. UV Index

Sun. Wind Maps