• Tonight

    Apr 18

    Lo 43°

    Clear

    Running Weather
    • Precip
      21%
    • Hours of Precip
      0
    • Wind
      Gust
      23 mph
    more
  • Sun

    Apr 19

    60°Lo 39°

    Mostly sunny and cooler

    Excellent for running
    • Precip
      12%
    • Hours of Precip
      0
    • Wind
      Gust
      14 mph
    more
  • Mon

    Apr 20

    51°Lo 47°

    Cooler with heavy rain

    Poor for running
    • Precip
      75%
    • Hours of Precip
      11
    • Wind
      Gust
      23 mph
  • Tue

    Apr 21

    65°Lo 42°

    Warmer with a shower or two

    Good for running
    • Precip
      56%
    • Hours of Precip
      2
    • Wind
      Gust
      16 mph
    more
  • Wed

    Apr 22

    59°Lo 39°

    Mostly cloudy

    Very Good for running
    • Precip
      20%
    • Hours of Precip
      0
    • Wind
      Gust
      22 mph
    more
Next Previous
Hi 51° RealFeel® 40° Precipitation 75%

Day

N

E

S

W

  • E 14 mph
  • Gusts: 23 mph

Cooler with periods of rain, some heavy

  • Max UV Index: 2 (Low)
  • Thunderstorms: 5%
  • Precipitation: 0.71 in
  • Rain: 0.71 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 8 hrs
  • Hours of Rain: 8 hrs
Lo 47° RealFeel® 39° Precipitation 65%

Night

N

E

S

W

  • SSE 8 mph
  • Gusts: 20 mph

Periods of rain

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.24 in
  • Rain: 0.24 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2014
High 51° N/A N/A 55°
Low 47° N/A N/A 34°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:58 AM with 13:35 of sunlight, then sets at 7:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:24 AM with 14:28 of moolight, then sets at 9:52 PM

Blackstone Weather Report

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

April 18, 2015; 8:16 PM 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 >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.