• Tonight

    Apr 18

    Lo 41°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Sun

    Apr 19

    58°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

    52°Lo 50°

    Cooler with rain, some heavy

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

    Apr 21

    66°Lo 42°

    Warmer with a shower or two

    Low ragweed pollen levels
    • Precip
      55%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      82%
  • Wed

    Apr 22

    62°Lo 41°

    Mostly cloudy

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      43%
    more
Next Previous
Partly to mostly cloudy 56° Lo 46° RealFeel® 53° / 42°

N

E

S

W

  • Precipitation: 21%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 68%
  • Cloud Cover: 56%
  • Dew Point: 41° F
  • Visibility: 9 mi
8 mph

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 66° 60° N/A 69°
Low 42° 37° N/A 29°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:55 AM with 13:38 of sunlight, then sets at 7:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:09 AM with 14:44 of moolight, then sets at 10:53 PM

Walpole Weather Report

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

April 18, 2015; 6:16 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 >

Tue. Dust & Dander

Tue. Wind Maps