• Today

    Apr 19

    61°Lo 38°

    Mostly sunny

    Very Good for an outdoor bbq
    • Precip
      14%
    • Hi
      RealFeel
      71°
    • Wind
      Gust
      12 mph
    more
  • Mon

    Apr 20

    50°Lo 47°

    Becoming windier with rain

    Poor for an outdoor bbq
    • Precip
      70%
    • Hi
      RealFeel
      40°
    • Wind
      Gust
      30 mph
  • Tue

    Apr 21

    64°Lo 38°

    Warmer with a shower or two

    Poor for an outdoor bbq
    • Precip
      60%
    • Hi
      RealFeel
      65°
    • Wind
      Gust
      14 mph
    more
  • Wed

    Apr 22

    62°Lo 40°

    Mostly cloudy and breezy

    Fair for an outdoor bbq
    • Precip
      25%
    • Hi
      RealFeel
      60°
    • Wind
      Gust
      30 mph
    more
  • Thu

    Apr 23

    55°Lo 35°

    Cloudy, a shower; breezy

    Fair for an outdoor bbq
    • Precip
      40%
    • Hi
      RealFeel
      51°
    • Wind
      Gust
      20 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Partly Sunny
Partly Sunny
Cloudy
Cloudy
Cloudy
Rain
Rain
Rain
Temp (°F) 39° 39° 42° 43° 45° 45° 47° 48°
RealFeel® 37° 36° 37° 38° 39° 35° 37° 37°
Humidity 72% 71% 69% 65% 62% 66% 70% 71%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
2%
 
5%
 
24%
 
24%
 
29%
 
62%
 
62%
 
62%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 5 ESE 7 ESE 8 ESE 10 ESE 13 ESE 15 ESE 16 ESE 17 ESE
UV Index 0 0 1 1 2 2 2 2
Cloud Cover 45% 45% 98% 97% 96% 96% 95% 96%
Dew Point 30° 31° 32° 32° 32° 35° 37° 39°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2014
High 50° 60° N/A 57°
Low 47° 39° N/A 30°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:56 AM with 13:37 of sunlight, then sets at 7:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:21 AM with 14:33 of moolight, then sets at 9:54 PM

Londonderry Weather Report

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

April 19, 2015; 9:24 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 and 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.

Mon. Outdoor Entertaining

Mon. Wind Maps

Mon. UV Index