• Early AM

    Apr 21

    Lo 50°

    Rain

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Today

    Apr 21

    62°Lo 39°

    A bit of rain

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

    Apr 22

    59°Lo 36°

    A p.m. shower in places

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

    Apr 23

    52°Lo 34°

    Cooler with a shower in spots

    Low ragweed pollen levels
    • Precip
      42%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      59%
    more
  • Fri

    Apr 24

    52°Lo 35°

    Breezy with periods of sun

    Ragweed Pollen Weather
    • Precip
      16%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      53%
    more
Next Previous
Hi 62° RealFeel® 63° Precipitation 63%

Day

N

E

S

W

  • WNW 9 mph
  • Gusts: 20 mph

Areas of fog this morning; considerable clouds and warmer with a little rain

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 18%
  • Precipitation: 0.18 in
  • Rain: 0.18 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 39° RealFeel® 28° Precipitation 25%

Night

N

E

S

W

  • WSW 14 mph
  • Gusts: 24 mph

Clear and breezy

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

Derry Pollen Levels - April 21

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 62° 60° N/A 73°
Low 39° 39° N/A 34°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:55 AM with 13:39 of sunlight, then sets at 7:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:08 AM with 14:47 of moolight, then sets at 10:55 PM

Derry Weather Report

Boston: Cooler Air to Sweep Away Warmth This Week

April 20, 2015; 11:52 PM ET

Cooler air will push into the Boston area during the middle and latter part of the week. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps