• Today

    Sep 4

    76°Lo 51°

    Mostly sunny and not as warm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sat

    Sep 5

    80°Lo 55°

    Plenty of sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Sep 6

    86°Lo 61°

    Sunny and very warm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    Sep 7

    89°Lo 66°

    Very warm with plenty of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    Sep 8

    91°Lo 67°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Next 8 hours >
  Fri
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Partly Cloudy
Temp (°F) 70° 69° 68° 67° 68° 68° 65° 64°
RealFeel® 70° 68° 67° 66° 66° 65° 62° 61°
Humidity 80% 81% 79% 74% 70% 71% 74% 75%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
11%
 
10%
 
7%
 
7%
 
7%
 
7%
 
7%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 2 N 2 SE 2 ENE 4 N 5 NE 7 NE 9 NNE 8 NNE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 95% 92% 85% 95% 97% 99% 99% 63%
Dew Point 63° 63° 61° 59° 58° 58° 57° 56°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 76° 78° N/A 86°
Low 51° 55° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:15 AM with 13:01 of sunlight, then sets at 7:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:19 PM with 14:43 of moolight, then sets at 2:02 PM

Lancaster Weather Report

Boston: Warmth to Rebuild Labor Day Weekend After Cooldown

September 4, 2015; 4:49 AM ET

A backdoor front will trim temperatures, haze and humidity around Boston into the first part of the Labor Day weekend before all three conditions build by early next week. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps