• Today

    Apr 18

    71°Lo 42°

    Warmer

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

    Apr 19

    58°Lo 39°

    Mostly sunny and cooler

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

    Apr 20

    52°Lo 49°

    Cooler with heavy rain

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

    Apr 21

    64°Lo 41°

    Warmer with a shower or two

    Low ragweed pollen levels
    • Precip
      57%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      83%
    more
  • Wed

    Apr 22

    61°Lo 39°

    Mostly cloudy

    Ragweed Pollen Weather
    • Precip
      21%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      42%
    more
Next Previous
Hi 58° RealFeel® 65° Precipitation 13%

Day

N

E

S

W

  • E 7 mph
  • Gusts: 13 mph

Mostly sunny and cooler

  • Max UV Index: 6 (High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 39° RealFeel® 24° Precipitation 25%

Night

N

E

S

W

  • ESE 16 mph
  • Gusts: 25 mph

Partly cloudy and breezy

  • Max UV Index: N/A
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Holliston 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 58° 60° N/A 64°
Low 39° 36° N/A 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:59 AM with 13:32 of sunlight, then sets at 7:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:40 AM with 14:05 of moolight, then sets at 8:45 PM

Holliston Weather Report

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

April 18, 2015; 10:48 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 >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps