• Tonight

    Sep 21

    Lo 58°

    Rather cloudy with a shower

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Mon

    Sep 22

    67°Lo 43°

    Breezy with 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 45°

    Mostly sunny and comfortable

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

    Sep 24

    67°Lo 40°

    A full day of sunshine

    Low ragweed pollen levels
    • Precip
      4%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
  • Thu

    Sep 25

    71°Lo 46°

    Sunny and comfortable

    Ragweed Pollen Weather
    • Precip
      8%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
Next Previous
Hi 69° RealFeel® 68° Precipitation 1%

Day

N

E

S

W

  • WNW 6 mph
  • Gusts: 11 mph

Mostly sunny and comfortable

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 45° RealFeel® 43° Precipitation 6%

Night

N

E

S

W

  • NNE 4 mph
  • Gusts: 7 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 23

more Historical Weather Data >
  Today Normal Record 9/23/2013
High 69° 70° N/A 65°
Low 45° 48° N/A 41°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 12:08 of sunlight, then sets at 6:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:57 AM with 12:22 of moolight, then sets at 6:19 PM

Top Story

Lancaster 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 >

Tue. Dust & Dander

Tue. Wind Maps