• Early AM

    Sep 20

    Lo 38°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Sep 20

    72°Lo 58°

    Warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Sun

    Sep 21

    79°Lo 59°

    A passing morning shower

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Mon

    Sep 22

    76°Lo 44°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      18%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      31%
    more
  • Tue

    Sep 23

    69°Lo 45°

    Partly sunny and nice

    Low ragweed pollen levels
    • Precip
      3%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      26%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Mostly Clear
Partly Cloudy
Partly Sunny
Mostly Sunny
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 38° 39° 40° 45° 52° 58° 63° 65°
RealFeel® 38° 36° 35° 44° 52° 58° 65° 67°
Humidity 93% 95% 96% 93% 83% 72% 63% 59%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 3 N 4 NNE 6 NE 3 SE 5 S 6 SSW 7 SSW 8 SSW
UV Index 0 0 0 0 1 2 4 5
Cloud Cover 24% 30% 35% 10% 9% 10% 10% 10%
Dew Point 36° 37° 39° 43° 47° 49° 51° 51°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F 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 - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 72° 72° N/A 81°
Low 58° 46° N/A 41°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 12:16 of sunlight, then sets at 6:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:04 AM with 13:46 of moolight, then sets at 4:50 PM

Top Story

Walpole Weather Report

Boston: September Temperature Roller Coaster to Continue

September 20, 2014; 2:02 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Boston. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps