• Today

    Feb 1

    34°Lo 29°

    Mostly cloudy and not as cold

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

    Feb 2

    40°Lo 9°

    Snow much of the time

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

    Feb 3

    24°Lo 15°

    Mostly sunny and colder

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

    Feb 4

    38°Lo 25°

    Mostly cloudy and not as cold

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      91%
  • Thu

    Feb 5

    30°Lo 5°

    Mostly cloudy and colder

    Ragweed Pollen Weather
    • Precip
      12%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      94%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 25° 28° 31° 33° 36° 37° 38° 36°
RealFeel® 23° 25° 28° 30° 32° 32° 32° 29°
Humidity 68% 66% 64% 62% 58% 56% 56% 61%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
1%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
1%
 
2%
 
2%
 
2%
 
2%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 6 SSW 6 SSW 7 SSW 7 SSW 8 SSW 8 SSW 8 SW 8 SW
UV Index 1 1 1 1 1 1 0 0
Cloud Cover 88% 93% 95% 95% 94% 94% 94% 95%
Dew Point 16° 18° 20° 21° 22° 22° 24° 24°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F

Temperature History - Feb 4

more Historical Weather Data >
  Today Normal Record 2/4/2014
High 38° 40° 65° (1991) 33°
Low 25° 24° (1918) 19°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:05 AM with 10:16 of sunlight, then sets at 5:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:19 PM with 13:20 of moolight, then sets at 7:39 AM

Princeton Weather Report

Philadelphia: Snow to Change to Ice, Rain Before Groundhog Day

February 1, 2015; 12:06 AM ET

Cold air sweeping in this weekend will help pave the way for a winter storm late Sunday afternoon into Monday afternoon around Philadelphia. more >

Wed. Dust & Dander

Wed. Wind Maps