• Early AM

    Apr 17

    Lo 24°

    Clear

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Today

    Apr 17

    47°Lo 29°

    Chilly with sunshine

    Very High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Fri

    Apr 18

    53°Lo 34°

    Partly sunny

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
  • Sat

    Apr 19

    57°Lo 35°

    Mostly cloudy, showers around

    Moderate indoor dust & dander levels
    • Precip
      70%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      78%
    more
  • Sun

    Apr 20

    59°Lo 34°

    Intervals of clouds and sun

    Moderate indoor dust & dander levels
    • Precip
      16%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      48%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 38° 40° 44° 47° 48° 50° 51° 53°
RealFeel® 41° 45° 50° 54° 56° 56° 57° 57°
Humidity 59% 52% 46% 41% 37% 35% 34% 35%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
2%
 
2%
 
2%
 
2%
 
2%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 ENE 5 ENE 5 E 6 E 6 E 6 ESE 6 ESE 5 ESE
UV Index 2 3 5 6 6 6 5 3
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 25° 24° 24° 25° 23° 23° 24° 26°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2013
High 53° 60° N/A 65°
Low 34° 37° N/A 34°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:01 AM with 13:30 of sunlight, then sets at 7:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:17 PM with 9:55 of moolight, then sets at 9:12 AM

Top Story

Lancaster Weather Report

Boston: Chill to Ease Slowly by Easter Weekend

April 16, 2014; 5:47 PM ET

The return of more seasonable temperatures to Boston will coincide with this Easter weekend. more >

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps