• Today

    Sep 22

    58°Lo 36°

    Some sun; breezy, cooler

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

    Sep 23

    64°Lo 40°

    Mostly sunny and pleasant

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

    Sep 24

    67°Lo 41°

    Pleasant with plenty of sun

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

    Sep 25

    69°Lo 43°

    Pleasant with plenty of sun

    Low ragweed pollen levels
    • Precip
      10%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      0%
    more
  • Fri

    Sep 26

    72°Lo 46°

    Mostly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      11%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      12%
    more
Next Previous
Hi 64° RealFeel® 64° Precipitation 0%

Day

N

E

S

W

  • WNW 5 mph
  • Gusts: 11 mph

Mostly sunny and pleasant

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 40° RealFeel® 40° Precipitation 5%

Night

N

E

S

W

  • NE 2 mph
  • Gusts: 4 mph

Clear and chilly

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

Londonderry Pollen Levels - September 23

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 23

more Historical Weather Data >
  Today Normal Record 9/23/2013
High 64° 68° N/A 60°
Low 40° 44° N/A 39°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:08 of sunlight, then sets at 6:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:01 AM with 12:22 of moolight, then sets at 6:23 PM

Top Story

Londonderry Weather Report

Boston: September Temperature Roller Coaster to Continue

September 22, 2014; 1:27 PM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Boston. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps