• Tonight

    Apr 20

    Lo 50°

    Fog with rain and drizzle

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
  • Tue

    Apr 21

    64°Lo 40°

    Areas of morning fog

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Wed

    Apr 22

    61°Lo 37°

    Some sun, then clouds; cold

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Thu

    Apr 23

    52°Lo 33°

    Cooler with clouds and sun

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      58%
    more
  • Fri

    Apr 24

    53°Lo 35°

    Partly sunny, breezy and cool

    Ragweed Pollen Weather
    • Precip
      16%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      53%
    more
Next Previous
Next 8 hours >
  Mon
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Partly Cloudy
Cloudy
Mostly Cloudy
Cloudy
Mostly Cloudy
Showers
Partly Cloudy
Temp (°F) 40° 40° 38° 40° 40° 40° 41° 41°
RealFeel® 38° 39° 37° 40° 41° 40° 38° 39°
Humidity 67% 67% 70% 63% 64% 67% 67% 69%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
1%
 
4%
 
12%
 
12%
 
16%
 
36%
 
40%
 
36%
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) 6 SSE 5 ESE 5 SSE 4 SE 4 NE 5 E 5 E 6 E
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 60% 48% 60% 83% 93% 77% 79% 74%
Dew Point 30° 30° 29° 29° 29° 30° 31° 31°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2014
High 50° 61° N/A 59°
Low 50° 38° N/A 29°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:58 AM with 13:36 of sunlight, then sets at 7:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:24 AM with 14:30 of moolight, then sets at 9:54 PM

Lancaster Weather Report

Boston: Cooler Air to Sweep Away Warmth This Week

April 20, 2015; 2:47 PM ET

Cooler air will push into the Boston area during the middle and latter part of the week. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps