• Today

    Apr 19

    50°Lo 40°

    Mostly sunny and cooler

    Beneficial weather for arthritis pain
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      6 - High
    more
  • Mon

    Apr 20

    52°Lo 48°

    Windy with periods of rain

    At Risk weather for arthritis pain
    • Rain
      0.43 in
    • Hours of Precip
      7
    • UV
      2 - Low
    more
  • Tue

    Apr 21

    56°Lo 43°

    A passing shower or two

    At High Risk weather for arthritis pain
    • Rain
      0.07 in
    • Hours of Precip
      2
    • UV
      5 - Moderate
  • Wed

    Apr 22

    54°Lo 42°

    Breezy with plenty of sun

    Neutral weather for arthritis pain
    • Rain
      0.09 in
    • Hours of Precip
      1
    • UV
      7 - High
    more
  • Thu

    Apr 23

    52°Lo 39°

    Mainly cloudy and breezy

    At Risk weather for arthritis pain
    • Rain
      0.09 in
    • Hours of Precip
      2
    • UV
      6 - High
    more
Next Previous
Hi 56° RealFeel® 59° Precipitation 57%

Day

N

E

S

W

  • SW 10 mph
  • Gusts: 17 mph

Variable clouds with a brief shower or two

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.07 in
  • Rain: 0.07 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 43° RealFeel® 39° Precipitation 13%

Night

N

E

S

W

  • WSW 7 mph
  • Gusts: 14 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 56° 52° N/A 56°
Low 43° 41° N/A 34°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:51 AM with 13:36 of sunlight, then sets at 7:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:05 AM with 14:42 of moolight, then sets at 10:47 PM

Chatham Weather Report

2015 Boston Marathon Forecast: Rain and Wind in Store for Runners

April 19, 2015; 4:51 AM ET

The 119th Boston Marathon will take place on Monday, April 20, and runners set to take on the historic course will face cool and rainy conditions. more >

Tue. Arthritis Pain

Tue. UV Index