• Mostly clear 43°
    Dust & Dander Current Weather
    • Relative Humidity
      47%
    • Yesterday
      Temp
      36°
    • RealFeel
      39°
  • Tonight

    Apr 19

    Lo 30°

    Mainly clear

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Tomorrow

    Apr 20

    Hi 58°

    Mostly sunny

    Very High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Monday

    Apr 21

    Hi 70°

    Clouds yielding to some sun

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
Next

Warming up, then noticeably cooler weather again Wednesday

4/19 4/20 Now: 11:40pm
PM 11-3
  • 11pm Mostly clear 44° 0%
  • 12am Mostly clear 40° 0%
  • 1am Mostly clear 39° 0%
  • 2am Mostly clear 37° 0%
  • 3am Mostly clear 33° 0%
AM 10-3
  • 10am Mostly sunny 44° 0%
  • 11am Mostly sunny 48° 0%
  • 12pm Mostly sunny 52° 0%
  • 1pm Mostly sunny 53° 0%
  • 2pm Mostly sunny 55° 0%
  • 3pm Mostly sunny 56° 0%
PM 4-9
  • 4pm Mostly sunny 58° 0%
  • 5pm Mostly sunny 57° 0%
  • 6pm Mostly sunny 56° 0%
  • 7pm Mostly sunny 54° 0%
  • 8pm Mostly clear 50° 0%
  • 9pm Mostly clear 47° 0%
Hourly Forecast >

Derry Pollen Levels - April 19

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

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Top Story

Derry Weather Report

Boston: Milder Patriots' Day Follows Easter Cooldown

April 19, 2014; 8:41 PM ET

After taking a tumble Easter Sunday, temperatures will quickly rebound in Boston for Patriots' Day. more >

Allergies Live Feed

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Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps