• Early AM

    Sep 21

    Lo 59°

    A shower possible

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

    Sep 21

    76°Lo 58°

    A passing shower or two

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

    Sep 22

    71°Lo 44°

    Partly sunny and breezy

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

    Sep 23

    68°Lo 47°

    Mostly sunny and delightful

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      11%
    more
  • Wed

    Sep 24

    66°Lo 44°

    A full day of sunshine

    Low ragweed pollen levels
    • Precip
      4%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
2pm
3pm 4pm 5pm 6pm 7pm 8pm 9pm
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Cloudy
Mostly Cloudy
Showers
Cloudy
Showers
Cloudy
Showers
Partly Cloudy
Temp (°F) 76° 76° 75° 74° 72° 70° 68° 66°
RealFeel® 78° 78° 75° 73° 71° 69° 67° 64°
Humidity 71% 71% 71% 73% 77% 83% 87% 89%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
36%
 
39%
 
43%
 
34%
 
40%
 
34%
 
51%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 5 SSE 4 SSE 4 SE 4 SE 3 SE 3 SSE 2 SSE 2 SSW
UV Index 2 2 1 1 0 0 0 0
Cloud Cover 90% 89% 89% 90% 90% 90% 45% 45%
Dew Point 66° 66° 65° 65° 65° 65° 64° 63°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 76° N/A N/A 73°
Low 58° N/A N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:32 AM with 12:14 of sunlight, then sets at 6:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:02 AM with 13:19 of moolight, then sets at 5:21 PM

Top Story

Blackstone Weather Report

Boston: September Temperature Roller Coaster to Continue

September 21, 2014; 3:42 AM ET

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

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps