• Today

    Mar 28

    21°Lo 10°

    Mostly cloudy and very cold

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

    Mar 29

    37°Lo 30°

    Not as cold in the afternoon

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

    Mar 30

    36°Lo 23°

    Cold with snow at times

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

    Mar 31

    36°Lo 24°

    Cold with on-and-off snow

    Low ragweed pollen levels
    • Precip
      67%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      95%
    more
  • Wed

    Apr 1

    42°Lo 30°

    Partly sunny and not as cold

    Ragweed Pollen Weather
    • Precip
      7%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      41%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
6pm
7pm 8pm 9pm 10pm 11pm Sun
12am
1am
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Forecast
Partly Cloudy
Partly Sunny
Mostly Clear
Clear
Clear
Clear
Clear
Clear
Temp (°F) 19° 18° 16° 16° 15° 14° 14° 13°
RealFeel® 14° 14° 15° 15° 15° 14°
Humidity 51% 54% 58% 61% 63% 65% 67% 68%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
40%
 
23%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
14%
 
9%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Wind (mph) 10 NW 8 NW 5 NW 5 NW 5 NW 4 NW 4 WNW 4 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 52% 33% 17% 7% 2% 1% 1% 2%
Dew Point
Middle Grid line 20 F Middle Grid line 15 F Middle Grid line 10 F

Temperature History - Mar 28

more Historical Weather Data >
  Today Normal Record 3/28/2014
High 21° 46° 70° (2012) 52°
Low 10° 26° (1982) 32°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:05 AM with 12:31 of sunlight, then sets at 7:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:30 PM with 14:24 of moolight, then sets at 3:54 AM

Great Valley Weather Report

The Day an Ice Jam Reduced the Mighty Niagara Falls to a Trickle

March 28, 2015; 11:31 AM ET

On March 29, 1848, a massive ice jam reduced the mighty Niagara Falls to a trickle, a rare phenomenon that lasted for nearly 40 hours. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps