• Today

    Apr 19

    60°Lo 39°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Mon

    Apr 20

    47°Lo 44°

    Becoming windier with rain

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Tue

    Apr 21

    63°Lo 41°

    Warmer with periods of rain

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Wed

    Apr 22

    59°Lo 39°

    Mostly cloudy and breezy

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      76%
  • Thu

    Apr 23

    54°Lo 35°

    Cloudy, a shower; breezy

    Ragweed Pollen Weather
    • Precip
      40%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      95%
    more
Next Previous
Mostly cloudy 44° Lo 39° RealFeel® 39° / 33°

N

E

S

W

  • Precipitation: 25%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 77%
  • Cloud Cover: 71%
  • Dew Point: 34° F
  • Visibility: 7 mi
7 mph

Temperature History - Apr 22

more Historical Weather Data >
  Today Normal Record 4/22/2014
High 59° 61° N/A 76°
Low 39° 39° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 13:42 of sunlight, then sets at 7:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:58 AM with 14:53 of moolight, then sets at 11:51 PM

Derry Weather Report

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

April 19, 2015; 3:42 PM 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 >

Wed. Dust & Dander

Wed. Wind Maps