• Today

    Sep 20

    70°Lo 60°

    Warmer with increasing clouds

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

    Sep 21

    77°Lo 60°

    A shower in the morning

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

    Sep 22

    73°Lo 45°

    Clouds and sun

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

    Sep 23

    69°Lo 46°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      4%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      26%
    more
  • Wed

    Sep 24

    64°Lo 44°

    A full day of sunshine

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      0%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 61° 64° 66° 67° 69° 70° 69° 67°
RealFeel® 62° 67° 68° 66° 68° 68° 66° 63°
Humidity 67% 64% 62% 60% 58% 57% 60% 67%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
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%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (mph) 7 SSW 7 SSW 8 SSW 8 SSW 8 S 8 S 8 S 7 S
UV Index 3 4 5 3 2 2 1 0
Cloud Cover 27% 20% 10% 81% 76% 76% 76% 76%
Dew Point 50° 52° 52° 53° 54° 55° 55° 56°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 70° 72° N/A 81°
Low 60° 49° N/A 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:32 AM with 12:16 of sunlight, then sets at 6:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:05 AM with 13:47 of moolight, then sets at 4:52 PM

Top Story

Lancaster 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