• Today

    Apr 19

    52°Lo 40°

    Sunshine

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

    Apr 20

    50°Lo 48°

    Rain; becoming windier, cool

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

    Apr 21

    64°Lo 44°

    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

    60°Lo 47°

    Mostly cloudy and breezy

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

    Apr 23

    55°Lo 40°

    Mostly cloudy and breezy

    Ragweed Pollen Weather
    • Precip
      18%
    • Wind
      Speed
      17 mph
    • Cloud
      Cover
      85%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 52° 54° 57° 58° 60° 58° 59° 58°
RealFeel® 47° 50° 53° 55° 59° 56° 56° 53°
Humidity 46% 41% 38% 37% 34% 38% 38% 40%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 15 WSW 17 WSW 18 WSW 20 WSW 20 WSW 20 WSW 20 SW 20 SW
UV Index 2 3 4 5 5 5 4 2
Cloud Cover 76% 76% 76% 76% 76% 76% 76% 76%
Dew Point 32° 31° 31° 32° 32° 33° 33° 34°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Apr 22

more Historical Weather Data >
  Today Normal Record 4/22/2014
High 60° 58° 88° (1977) 73°
Low 47° 43° 26° (1875) 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 13:40 of sunlight, then sets at 7:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:58 AM with 14:51 of moolight, then sets at 11:49 PM

Boston Weather Report

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

April 19, 2015; 9:24 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 >

Wed. Dust & Dander

Wed. Wind Maps