• Today

    Sep 2

    91°Lo 65°

    Mostly sunny and warmer

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

    Sep 3

    88°Lo 62°

    A p.m. t-storm in the area

    Advisory for hair frizz
    • Wind
      Gust
      6 mph
    • Precip
      43%
    • Hours of Precip
      1.5
  • Fri

    Sep 4

    76°Lo 50°

    Mostly sunny and not as warm

    Watch for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      14%
    • Hours of Precip
      0
    more
  • Sat

    Sep 5

    82°Lo 54°

    Plenty of sunshine

    Watch for hair frizz
    • Wind
      Gust
      6 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Sun

    Sep 6

    88°Lo 62°

    Very warm with plenty of sun

    Watch for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
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  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Temp (°F) 70° 69° 68° 67° 67° 65° 68° 71°
RealFeel® 70° 69° 67° 66° 66° 66° 67° 74°
Humidity 85% 86% 84% 84% 87% 93% 84% 82%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
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0%
 
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0%
 
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2%
 
7%
Snow
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 4 W 4 W 4 W 4 WNW 4 WNW 4 WNW 4 NW 4 NW
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 11% 10% 10% 10% 10% 10% 11% 10%
Dew Point 65° 65° 63° 62° 63° 63° 63° 66°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 88° 77° N/A 82°
Low 62° 57° N/A 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 13:05 of sunlight, then sets at 7:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:31 PM with 14:30 of moolight, then sets at 1:01 PM

Londonderry Weather Report

Boston: Late-Week Front to Slash Summer Temperatures

September 2, 2015; 5:25 AM ET

Wednesday and Thursday will bring weather more common for early July rather than early September, but the summer heat will come to an end by the weekend. 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