• Tue

    Sep 8

    80°Lo 68°

    Humid with plenty of sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    Sep 9

    80°Lo 64°

    Mostly sunny and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Sep 10

    77°Lo 63°

    A p.m. t-storm possible

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Fri

    Sep 11

    73°Lo 55°

    Chance of a little a.m. rain

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Sep 12

    73°Lo 56°

    Partial sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 77° RealFeel® 83° Precipitation 30%

Day

N

E

S

W

  • SE 7 mph
  • Gusts: 17 mph

Mostly cloudy and humid; chance of a shower or thunderstorm in the afternoon

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 35%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 63° RealFeel® 60° Precipitation 75%

Night

N

E

S

W

  • NE 5 mph
  • Gusts: 14 mph

Clouds breaking with rain tapering to a couple of showers

  • Max UV Index: N/A
  • Thunderstorms: 35%
  • Precipitation: 0.22 in
  • Rain: 0.22 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs

Temperature History - Sep 10

more Historical Weather Data >
  Today Normal Record 9/10/2014
High 77° 71° N/A 72°
Low 63° 59° N/A 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:15 AM with 12:43 of sunlight, then sets at 6:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:43 AM with 13:50 of moolight, then sets at 5:33 PM

Chatham Weather Report

Boston: Late-Week Front to Slash Summer Temperatures

September 3, 2015; 4:52 AM ET

The weather through Thursday will bring conditions more common for early July rather than early September, but the summer heat will come to an end by the weekend. more >