• Today

    Sep 19

    58°Lo 39°

    Mostly sunny and cooler

    Unlikely for hair frizz
    • Wind
      Gust
      11 mph
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Sat

    Sep 20

    71°Lo 58°

    Warmer with sun, some clouds

    Advisory for hair frizz
    • Wind
      Gust
      24 mph
    • Precip
      8%
    • Hours of Precip
      0
    more
  • Sun

    Sep 21

    79°Lo 57°

    Some sun, then clouds

    Advisory for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      25%
    • Hours of Precip
      3
  • Mon

    Sep 22

    70°Lo 43°

    Breezy with clouds and sun

    Advisory for hair frizz
    • Wind
      Gust
      22 mph
    • Precip
      16%
    • Hours of Precip
      0
    more
  • Tue

    Sep 23

    69°Lo 44°

    Partly sunny

    Watch for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      12%
    • Hours of Precip
      0
    more
Next Previous
Hi 79° RealFeel® 81° Precipitation 25%

Day

N

E

S

W

  • SSE 6 mph
  • Gusts: 13 mph

Some sunshine giving way to clouds

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 15%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 57° RealFeel® 52° Precipitation 61%

Night

N

E

S

W

  • WSW 5 mph
  • Gusts: 11 mph

Mostly cloudy with a couple of showers and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.3 in
  • Rain: 0.3 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 79° 71° N/A 75°
Low 57° 49° N/A 49°

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

Lowell 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 >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Sun. Hair Frizz

Sun. Wind Maps

Sun. UV Index