• Today

    Sep 1

    86°Lo 66°

    An afternoon thunderstorm

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

    Sep 2

    89°Lo 68°

    Times of clouds and sun

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

    Sep 3

    83°Lo 57°

    Sunny; less humid in the p.m.

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

    Sep 4

    84°Lo 61°

    Mostly sunny and very warm

    Low ragweed pollen levels
    • Precip
      4%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      11%
    more
  • Fri

    Sep 5

    87°Lo 67°

    Sunny and remaining warm

    Ragweed Pollen Weather
    • Precip
      13%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      10%
    more
Next Previous
Hi 86° RealFeel® 91° Precipitation 57%

Day

N

E

S

W

  • W 4 mph
  • Gusts: 7 mph

Very warm and humid with periods of clouds and sunshine; a p.m. shower or thunderstorm around

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 66° RealFeel® 65° Precipitation 17%

Night

N

E

S

W

  • WSW 2 mph
  • Gusts: 3 mph

Partly cloudy, warm and humid

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • 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 1

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2013
High 86° 79° N/A 82°
Low 66° 56° N/A 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 13:10 of sunlight, then sets at 7:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:02 PM with 10:09 of moolight, then sets at 11:11 PM

Top Story

Lancaster Weather Report

Boston: Warmth to Hold Beyond Labor Day

September 1, 2014; 4:18 AM ET

Labor Day weekend traditionally marks the unofficial end to summer, but the weather has another idea in mind with summer warmth surging in around Boston. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps