• Today

    Aug 20

    82°Lo 56°

    Mostly sunny

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

    Aug 21

    76°Lo 58°

    Partly sunny and not as warm

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Fri

    Aug 22

    74°Lo 58°

    Clouds and sun with a shower

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

    Aug 23

    73°Lo 57°

    Clouds and sun with a shower

    Low ragweed pollen levels
    • Precip
      40%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      46%
    more
  • Sun

    Aug 24

    75°Lo 55°

    An afternoon shower

    Ragweed Pollen Weather
    • Precip
      40%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      69%
    more
Next Previous
Next 8 hours >
  Wed
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Cloudy
Mostly Clear
Mostly Clear
Clear
Clear
Sunny
Sunny
Temp (°F) 57° 57° 56° 55° 54° 54° 53° 56°
RealFeel® 56° 56° 55° 55° 54° 53° 54° 57°
Humidity 86% 89% 90% 92% 93% 93% 93% 90%
   
  12am 1am 2am 3am 4am 5am 6am 7am
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%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 3 NNW 3 NW 2 N 2 NW 1 N 1 N 1 N 1 N
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 53% 53% 28% 26% 7% 8% 7% 6%
Dew Point 53° 53° 53° 53° 52° 52° 51° 53°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Aug 20

more Historical Weather Data >
  Today Normal Record 8/20/2013
High 82° 82° N/A 87°
Low 56° 59° N/A 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:59 AM with 13:42 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:35 AM with 14:50 of moolight, then sets at 4:25 PM

Top Story

Lancaster Weather Report

Heavy Rain to Avoid Boston Through Weekend

August 20, 2014; 12:04 PM ET

A wedge of dry air will slowly erode later this week and may allow spotty showers to survive the trip into Boston from the Midwest. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps