• Today

    Apr 21

    67°Lo 41°

    Rain and a thunderstorm

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

    Apr 22

    63°Lo 38°

    An afternoon shower or two

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

    Apr 23

    54°Lo 33°

    Cool with clouds and sun

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

    Apr 24

    55°Lo 33°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      15%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      37%
    more
  • Sat

    Apr 25

    58°Lo 36°

    A passing shower or two

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      54%
    more
Next Previous
Hi 67° RealFeel® 66° Precipitation 65%

Day

N

E

S

W

  • W 10 mph
  • Gusts: 18 mph

Warmer; fog with rain and a thunderstorm, then partly sunny with a shower or two

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 30%
  • Precipitation: 0.2 in
  • Rain: 0.2 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs
Lo 41° RealFeel® 40° Precipitation 10%

Night

N

E

S

W

  • SW 5 mph
  • Gusts: 12 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 30%
  • 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 21

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 67° 60° N/A 69°
Low 41° 37° N/A 29°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:56 AM with 13:38 of sunlight, then sets at 7:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:10 AM with 14:44 of moolight, then sets at 10:54 PM

Holliston Weather Report

Boston: Cooler Air to Sweep Away Warmth This Week

April 21, 2015; 4:52 AM ET

Cooler air will push into the Boston area during the middle and latter part of the week. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps