• Early AM

    Sep 17

    Lo 45°

    Clear

    Hair Frizz Weather
    • Wind
      Gust
      4 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Today

    Sep 17

    70°Lo 45°

    Fog in the a.m.; mostly sunny

    Watch for hair frizz
    • Wind
      Gust
      6 mph
    • Precip
      0%
    • Hours of Precip
      0
  • Thu

    Sep 18

    70°Lo 38°

    Partly sunny

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Fri

    Sep 19

    61°Lo 44°

    Mostly sunny and nice

    Watch for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      7%
    • Hours of Precip
      0
    more
  • Sat

    Sep 20

    71°Lo 58°

    Sunny to partly cloudy

    Advisory for hair frizz
    • Wind
      Gust
      11 mph
    • Precip
      14%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Clear
Mostly Clear
Mostly Sunny
Fog
Temp (°F) 51° 50° 48° 46° 46° 45° 47° 49°
RealFeel® 51° 50° 48° 47° 46° 45° 47° 51°
Humidity 92% 92% 93% 93% 93% 93% 93% 85%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 1 N 1 NW 1 NNW 1 NNW 2 NNW 2 NNW 2 NW 2 NW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 18% 23% 20% 15% 8% 10% 13% 2%
Dew Point 49° 48° 46° 44° 43° 43° 45° 44°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 70° 72° N/A 65°
Low 45° 52° N/A 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 12:25 of sunlight, then sets at 6:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:18 AM with 14:47 of moolight, then sets at 3:05 PM

Top Story

Londonderry Weather Report

Boston: Remainder of Week to Be Dry, Cool

September 16, 2014; 1:15 PM ET

Rainfall will 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.

Wed. Hair Frizz

Wed. Wind Maps

Wed. UV Index