• Today

    Apr 18

    80°Lo 46°

    Mostly sunny and warmer

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

    Apr 19

    63°Lo 47°

    Cooler

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

    Apr 20

    67°Lo 53°

    Morning rain, some heavy

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

    Apr 21

    66°Lo 42°

    Mostly sunny and pleasant

    Low ragweed pollen levels
    • Precip
      14%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      18%
  • Wed

    Apr 22

    63°Lo 42°

    Breezy with increasing clouds

    Ragweed Pollen Weather
    • Precip
      18%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      36%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Cloudy
Mostly Sunny
Sunny
Sunny
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 56° 59° 62° 63° 65° 66° 65° 63°
RealFeel® 52° 57° 62° 65° 67° 68° 66° 63°
Humidity 70% 58% 49% 44% 40% 39% 38% 39%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
3%
 
3%
 
3%
 
3%
 
3%
 
3%
 
3%
 
3%
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) 14 WNW 15 WNW 15 WNW 16 WNW 16 W 16 W 15 W 14 W
UV Index 2 4 5 6 7 6 5 4
Cloud Cover 51% 26% 6% 0% 0% 6% 10% 12%
Dew Point 46° 44° 43° 41° 40° 40° 39° 38°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 66° 63° 87° (1985) 69°
Low 42° 43° 30° (1925) 33°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 13:32 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:27 AM with 14:36 of moolight, then sets at 11:03 PM

Princeton Weather Report

Philly: Rainy, Stormy Monday to Follow Sun-Filled Weekend

April 18, 2015; 4:30 AM ET

Following a weekend filled with sunshine, a storm will send windswept rain into the Philadelphia area by Monday. more >

Tue. Dust & Dander

Tue. Wind Maps