• Tonight

    Sep 18

    Lo 49°

    Mainly clear and breezy

    Hair Frizz Weather
    • Wind
      Gust
      9 mph
    • Precip
      5%
    • Hours of Precip
      0
  • Fri

    Sep 19

    59°Lo 47°

    Mostly sunny; breezy, cooler

    Unlikely for hair frizz
    • Wind
      Gust
      30 mph
    • Precip
      8%
    • Hours of Precip
      0
    more
  • Sat

    Sep 20

    70°Lo 60°

    Warmer

    Watch for hair frizz
    • Wind
      Gust
      24 mph
    • Precip
      6%
    • Hours of Precip
      0
    more
  • Sun

    Sep 21

    78°Lo 60°

    Some sun, then clouds

    Watch for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      21%
    • Hours of Precip
      0
    more
  • Mon

    Sep 22

    71°Lo 51°

    Times of clouds and sun

    Advisory for hair frizz
    • Wind
      Gust
      19 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
Next Previous
Hi 73° RealFeel® 77° Precipitation 5%

Day

N

E

S

W

  • N 6 mph
  • Gusts: 9 mph

Partly sunny

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 3%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 49° RealFeel® 38° Precipitation 25%

Night

N

E

S

W

  • N 14 mph
  • Gusts: 33 mph

Mainly clear and breezy

  • 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 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 73° 72° 90° (1955) 75°
Low 49° 57° 43° (1875) 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 12:22 of sunlight, then sets at 6:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:12 AM with 14:30 of moolight, then sets at 3:42 PM

Top Story

Boston Weather Report

Boston: Remainder of Week to Be Dry, Cool

September 18, 2014; 5:00 PM 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.

Thu. Hair Frizz

Thu. Wind Maps

Thu. UV Index