• Today

    Sep 21

    78°Lo 58°

    Showers around this afternoon

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

    Sep 22

    70°Lo 42°

    Not as warm in the morning

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

    Sep 23

    70°Lo 46°

    Mostly sunny and nice

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

    Sep 24

    67°Lo 42°

    A full day of sunshine

    Low ragweed pollen levels
    • Precip
      3%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      0%
    more
  • Thu

    Sep 25

    72°Lo 47°

    Plenty of sunshine

    Ragweed Pollen Weather
    • Precip
      7%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 63° 66° 69° 73° 76° 77° 78° 78°
RealFeel® 61° 65° 69° 75° 79° 79° 79° 78°
Humidity 95% 92% 85% 79% 75% 70% 67% 66%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
30%
 
30%
 
31%
 
32%
 
32%
 
36%
 
43%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 5 NNE 5 N 6 S 7 SSE 8 S 9 S 9 S 8 S
UV Index 0 1 2 2 3 3 3 2
Cloud Cover 90% 69% 79% 79% 72% 91% 92% 93%
Dew Point 62° 64° 65° 67° 67° 67° 66° 66°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 78° 71° N/A 75°
Low 58° 49° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 12:14 of sunlight, then sets at 6:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:00 AM with 13:21 of moolight, then sets at 5:21 PM

Top Story

Weston Weather Report

Boston: September Temperature Roller Coaster to Continue

September 21, 2014; 4:42 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