• Today

    Sep 19

    59°Lo 39°

    Sunny, but cooler

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

    Sep 20

    70°Lo 61°

    Breezy with clouds and sun

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

    Sep 21

    78°Lo 59°

    Warmer with variable clouds

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

    Sep 22

    70°Lo 44°

    Clouds and sun; not as warm

    Low ragweed pollen levels
    • Precip
      15%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      48%
    more
  • Tue

    Sep 23

    68°Lo 46°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      12%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Hi 59° RealFeel® 62° Precipitation 5%

Day

N

E

S

W

  • ENE 6 mph
  • Gusts: 12 mph

Cooler with plenty of sunshine

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 7%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 39° RealFeel® 40° Precipitation 13%

Night

N

E

S

W

  • SSE 2 mph
  • Gusts: 5 mph

Clear to partly cloudy; there can be frost in the normally colder spots

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Lancaster Pollen Levels - September 19

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 59° 72° N/A 82°
Low 39° 49° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 12:20 of sunlight, then sets at 6:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:09 AM with 14:11 of moolight, then sets at 4:20 PM

Top Story

Lancaster Weather Report

Boston: September Temperature Roller Coaster to Continue

September 19, 2014; 11:02 AM ET

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

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps