• Early AM

    Apr 18

    Lo 51°

    Partly to mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Today

    Apr 18

    77°Lo 43°

    Mostly sunny

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

    Apr 19

    62°Lo 46°

    Cooler

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

    Apr 20

    58°Lo 53°

    A.M. downpours; p.m. showers

    Low ragweed pollen levels
    • Precip
      81%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      99%
    more
  • Tue

    Apr 21

    67°Lo 40°

    Sunshine, pleasant and warmer

    Ragweed Pollen Weather
    • Precip
      19%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      28%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 69° 72° 74° 76° 77° 75° 72° 69°
RealFeel® 73° 77° 79° 80° 80° 76° 72° 68°
Humidity 43% 38% 35% 31% 29% 31% 34% 36%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
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0%
Snow
 
0%
 
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Ice
 
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  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 6 WNW 7 WNW 9 WNW 10 WNW 13 WNW 14 WNW 15 WNW 15 NW
UV Index 4 5 6 7 6 5 4 2
Cloud Cover 11% 11% 11% 11% 11% 11% 11% 11%
Dew Point 46° 45° 45° 43° 43° 42° 42° 41°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2014
High 77° 62° 93° (1976) 52°
Low 43° 42° 30° (1928) 37°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:24 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:15 AM with 13:31 of moolight, then sets at 7:46 PM

Princeton Weather Report

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

April 17, 2015; 2:00 PM ET

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

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps