• Tonight

    Apr 19

    Lo 37°

    Increasing cloudiness

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

    Apr 20

    53°Lo 51°

    Heavy rain; becoming windier

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

    Apr 21

    68°Lo 42°

    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 41°

    Mostly cloudy and breezy

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

    Apr 23

    55°Lo 34°

    Mostly cloudy and breezy

    Ragweed Pollen Weather
    • Precip
      17%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      85%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
7pm
8pm 9pm 10pm 11pm Mon
12am
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  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Mostly Clear
Mostly Clear
Partly Cloudy
Cloudy
Cloudy
Temp (°F) 50° 45° 43° 42° 41° 39° 38° 37°
RealFeel® 45° 41° 40° 40° 40° 40° 39° 38°
Humidity 44% 55% 59% 65% 68% 70% 74% 78%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Rain
 
0%
 
0%
 
0%
 
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1%
 
1%
 
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1%
Snow
 
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Ice
 
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  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Wind (mph) 9 ESE 8 ESE 7 ESE 6 SE 5 SE 4 SE 4 SE 2 E
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 63% 48% 33% 28% 27% 37% 57% 62%
Dew Point 29° 30° 30° 31° 31° 30° 30° 31°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 19

more Historical Weather Data >
  Today Normal Record 4/19/2014
High 57° 60° N/A 64°
Low 37° 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 6:39 AM with 14:05 of moolight, then sets at 8:44 PM

Walpole Weather Report

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

April 19, 2015; 7:12 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