• Tonight

    Apr 19

    Lo 41°

    Becoming cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
  • Mon

    Apr 20

    50°Lo 49°

    Becoming windier with rain

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Tue

    Apr 21

    65°Lo 47°

    Warmer with a shower or two

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Wed

    Apr 22

    62°Lo 46°

    Mostly cloudy and breezy

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      18 mph
    • Cloud
      Cover
      77%
    more
  • Thu

    Apr 23

    54°Lo 40°

    Mostly cloudy and breezy

    Ragweed Pollen Weather
    • Precip
      18%
    • Wind
      Speed
      17 mph
    • Cloud
      Cover
      85%
    more
Next Previous
Hi 50° RealFeel® 50° Precipitation 9%

Day

N

E

S

W

  • E 14 mph
  • Gusts: 23 mph

Turning cloudy

  • Max UV Index: 6 (High)
  • Thunderstorms: 7%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 41° RealFeel® 35° Precipitation 13%

Night

N

E

S

W

  • SSE 8 mph
  • Gusts: 15 mph

Becoming cloudy

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

Boston Pollen Levels - April 19

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - Apr 19

more Historical Weather Data >
  Today Normal Record 4/19/2014
High 50° 57° 87° (1914) 63°
Low 41° 42° 22° (1875) 37°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:57 AM with 13:33 of sunlight, then sets at 7:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:38 AM with 14:06 of moolight, then sets at 8:44 PM

Boston Weather Report

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

April 19, 2015; 5:34 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 >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps