• Today

    Apr 21

    55°Lo 45°

    Mostly sunny

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Tue

    Apr 22

    56°Lo 46°

    Times of clouds and sun

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Wed

    Apr 23

    55°Lo 39°

    A morning shower or two

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Thu

    Apr 24

    56°Lo 41°

    Sunshine and breezy

    Moderate indoor dust & dander levels
    • Precip
      5%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      25%
    more
  • Fri

    Apr 25

    56°Lo 44°

    Partly sunny

    Moderate indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      44%
    more
Next Previous
Hi 56° RealFeel® 59° Precipitation 25%

Day

N

E

S

W

  • SSW 8 mph
  • Gusts: 14 mph

Periods of clouds and sunshine

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 46° RealFeel® 33° Precipitation 60%

Night

N

E

S

W

  • SW 16 mph
  • Gusts: 27 mph

Increasingly windy with occasional rain and drizzle

  • Max UV Index: N/A
  • Thunderstorms: 11%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs

Chatham Pollen Levels - April 22

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - Apr 22

more Historical Weather Data >
  Today Normal Record 4/22/2013
High 56° 52° N/A 50°
Low 46° 42° N/A 38°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:50 AM with 13:38 of sunlight, then sets at 7:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:42 AM with 10:38 of moolight, then sets at 12:20 PM

Top Story

Chatham Weather Report

Boston: Milder Patriots' Day Follows Easter Cooldown

April 21, 2014; 4:57 AM ET

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

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?

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps