• Early AM

    Apr 18

    Lo 45°

    Partly to mostly cloudy

    Bicycling Weather
    • Precip
      10%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
    more
  • Today

    Apr 18

    67°Lo 42°

    An afternoon shower or two

    Very Good for biking
    • Precip
      60%
    • Hours of Precip
      1
    • Wind
      Gust
      12 mph
  • Sun

    Apr 19

    57°Lo 39°

    Mostly sunny

    Excellent for biking
    • Precip
      17%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
    more
  • Mon

    Apr 20

    48°Lo 45°

    Colder with periods of rain

    Fair for biking
    • Precip
      71%
    • Hours of Precip
      7
    • Wind
      Gust
      21 mph
    more
  • Tue

    Apr 21

    61°Lo 38°

    Warmer with periods of rain

    Poor for biking
    • Precip
      65%
    • Hours of Precip
      3.5
    • Wind
      Gust
      16 mph
    more
Next Previous
Clear 56° Lo 46° RealFeel® 54° / 43°

N

E

S

W

  • Precipitation: 7%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 56%
  • Cloud Cover: 2%
  • Dew Point: 35° F
  • Visibility: 10 mi
7 mph

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2014
High 67° 59° N/A 47°
Low 42° 38° N/A 27°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:59 AM with 13:32 of sunlight, then sets at 7:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:59 AM with 13:36 of moolight, then sets at 7:35 PM

Derry Weather Report

2015 Boston Marathon Forecast: Rain and Wind in Store for Runners

April 18, 2015; 2:58 AM ET

The 119th Boston Marathon will take place on Monday, April 20, and runners set to take on the historic course will face cool rainy conditions. 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.