• Tonight

    Sep 15

    Lo 49°

    A little rain toward dawn

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Tue

    Sep 16

    69°Lo 46°

    Clearing, a little rain

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Sep 17

    69°Lo 46°

    Sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Sep 18

    69°Lo 36°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      11%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      26%
    more
  • Fri

    Sep 19

    60°Lo 40°

    Mostly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      8%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      11%
    more
Next Previous
Hi 66° RealFeel® 70° Precipitation 3%

Day

N

E

S

W

  • NW 3 mph
  • Gusts: 8 mph

Partly sunny

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 6%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 49° RealFeel® 47° Precipitation 61%

Night

N

E

S

W

  • S 2 mph
  • Gusts: 5 mph

Increasing cloudiness with a little rain toward dawn

  • Max UV Index: N/A
  • Thunderstorms: 7%
  • Precipitation: 0.07 in
  • Rain: 0.07 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Derry Pollen Levels - September 15

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 15

more Historical Weather Data >
  Today Normal Record 9/15/2013
High 66° 73° N/A 70°
Low 49° 53° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 12:31 of sunlight, then sets at 6:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:28 PM with 14:52 of moolight, then sets at 2:20 PM

Top Story

Derry Weather Report

Boston: Much of Week to Be Dry, Cool

September 15, 2014; 11:00 AM ET

Rainfall will be scarce around Boston this week, but cool air will be plentiful. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps