• Today

    Aug 31

    86°Lo 67°

    Partly sunny

    Moderate ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Sep 1

    77°Lo 59°

    A morning shower; some sun

    Moderate ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
  • Fri

    Sep 2

    75°Lo 55°

    Times of clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Sep 3

    74°Lo 55°

    Partly sunny and pleasant

    Moderate ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Sep 4

    75°Lo 55°

    Mostly sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Showers
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 68° 69° 70° 72° 73° 74° 75° 77°
RealFeel® 69° 73° 75° 76° 83° 84° 84° 84°
Humidity 87% 83% 78% 77% 76% 73% 70% 67%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
34%
 
34%
 
40%
 
51%
 
47%
 
32%
 
10%
 
10%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 4 WSW 4 WSW 4 WSW 4 WSW 4 WNW 4 NW 4 NNW 4 N
UV Index 1 2 3 4 5 5 5 4
Cloud Cover 45% 45% 45% 45% 45% 45% 45% 45%
Dew Point 64° 64° 63° 64° 65° 65° 65° 65°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2015
High 77° 79° N/A 88°
Low 59° 56° N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 13:08 of sunlight, then sets at 7:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:21 AM with 13:12 of moolight, then sets at 7:33 PM

Lancaster Weather Report

Warm fall may jeopardize foliage displays in northeastern US

August 31, 2016; 6:49 AM ET

Though the summer season is winding down, forecasters are predicting a warm start to fall across the Northeast — a weather pattern that could spell bad news for fall foliage lovers. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps