• Early AM

    Apr 18

    Lo 45°

    Clear

    Travel Weather
    • Rain
      0 in
    • Wind
      Speed
      4 mph
    • T-storms
      20%
    more
  • Today

    Apr 18

    66°Lo 40°

    An afternoon shower or two

    Very Good for travel
    • Rain
      0.06 in
    • Wind
      Speed
      9 mph
    • T-storms
      20%
    more
  • Sun

    Apr 19

    59°Lo 38°

    Mostly sunny

    Excellent for travel
    • Rain
      0 in
    • Wind
      Speed
      6 mph
    • T-storms
      3%
  • Mon

    Apr 20

    48°Lo 43°

    Colder; a little p.m. rain

    Very Good for travel
    • Rain
      0.75 in
    • Wind
      Speed
      16 mph
    • T-storms
      2%
    more
  • Tue

    Apr 21

    57°Lo 36°

    Warmer with periods of rain

    Good for travel
    • Rain
      0.31 in
    • Wind
      Speed
      9 mph
    • T-storms
      10%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Sunny
Sunny
Sunny
Sunny
Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 50° 53° 55° 57° 58° 59° 57° 54°
RealFeel® 49° 55° 60° 65° 70° 71° 67° 61°
Humidity 44% 37% 32% 30% 28% 27% 30% 33%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
 
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0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 9 NNW 8 NNW 8 NNW 6 NNW 5 NNW 4 NW 5 NW 5 ESE
UV Index 2 4 5 6 6 6 5 3
Cloud Cover 0% 0% 0% 0% 0% 46% 46% 46%
Dew Point 29° 27° 26° 26° 25° 25° 25° 26°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Apr 19

more Historical Weather Data >
  Today Normal Record 4/19/2014
High 59° 59° N/A 59°
Low 38° 38° N/A 31°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:58 AM with 13:34 of sunlight, then sets at 7:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:38 AM with 14:08 of moolight, then sets at 8:46 PM

Derry Weather Report

2015 Boston Marathon Forecast: Cloudy Skies, Chilly Weather in Store for Runners

April 18, 2015; 12:48 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 potentially rainy conditions. more >

Travel Weather Forecast

Apr 17, 2015; 5:40 PM ET United States travel weather forecast

Sun. Travel Weather

Flight Tracker