• Early AM

    Apr 18

    Lo 47°

    Clear

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

    Apr 18

    70°Lo 40°

    Mild with clouds and sun

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

    Apr 19

    59°Lo 38°

    Mostly sunny and cooler

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

    Apr 20

    50°Lo 49°

    Colder with heavy rain

    Low ragweed pollen levels
    • Precip
      75%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      99%
    more
  • Tue

    Apr 21

    64°Lo 39°

    Warmer with a shower or two

    Low ragweed pollen levels
    • Precip
      57%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      83%
    more
Next Previous
Clear 47° RealFeel® 46°

N

E

S

W

  • Humidity: 76%
  • Cloud Cover: 6%
  • Dew Point: 42° F
  • Rain: 0 in
  • Snow: 0 in
  • Visibility: 10 mi
5 mph

Holliston Weather Report

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

April 18, 2015; 2:58 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 rainy conditions. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps