• Today

    Aug 20

    83°Lo 57°

    Fog in the a.m.; partly sunny

    Excellent for an outdoor bbq
    • Precip
      9%
    • Hi
      RealFeel
      87°
    • Wind
      Gust
      8 mph
  • Thu

    Aug 21

    76°Lo 57°

    Clouds and sun; not as warm

    Excellent for an outdoor bbq
    • Precip
      25%
    • Hi
      RealFeel
      79°
    • Wind
      Gust
      5 mph
    more
  • Fri

    Aug 22

    76°Lo 57°

    Clouds and sun with a shower

    Very Good for an outdoor bbq
    • Precip
      40%
    • Hi
      RealFeel
      78°
    • Wind
      Gust
      8 mph
    more
  • Sat

    Aug 23

    74°Lo 56°

    Periods of sun with a shower

    Very Good for an outdoor bbq
    • Precip
      42%
    • Hi
      RealFeel
      76°
    • Wind
      Gust
      9 mph
    more
  • Sun

    Aug 24

    75°Lo 54°

    An afternoon shower in spots

    Excellent for an outdoor bbq
    • Precip
      40%
    • Hi
      RealFeel
      76°
    • Wind
      Gust
      8 mph
    more
Next Previous
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Forecast
Mostly Sunny
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Mostly Sunny
Mostly Sunny
Temp (°F) 75° 79° 80° 81° 82° 83° 82° 80°
RealFeel® 81° 86° 87° 87° 86° 84° 81° 77°
Humidity 53% 48% 45% 43% 42% 42% 44% 49%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Rain
 
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  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (mph) 3 SE 3 SE 4 SE 4 SE 4 SE 5 SE 5 SE 4 ESE
UV Index 5 6 6 6 5 4 2 1
Cloud Cover 10% 14% 19% 24% 27% 28% 28% 26%
Dew Point 57° 58° 57° 57° 57° 58° 58° 59°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 20

more Historical Weather Data >
  Today Normal Record 8/20/2013
High 83° 81° N/A 86°
Low 57° 60° N/A 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:57 AM with 13:43 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:32 AM with 14:52 of moolight, then sets at 4:24 PM

Top Story

Londonderry Weather Report

Heavy Rain to Avoid Boston Through Weekend

August 20, 2014; 3:13 AM ET

A wedge of dry air will slowly erode later this week and may allow spotty showers to survive the trip into Boston from the Midwest. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.

Wed. Outdoor Entertaining

Wed. Wind Maps

Wed. UV Index