• Today

    Aug 29

    85°Lo 61°

    Mostly sunny and warm

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

    Aug 30

    88°Lo 66°

    Some sun, warm and more humid

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

    Aug 31

    89°Lo 65°

    Partly sunny, warm and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Tue

    Sep 1

    91°Lo 66°

    Sunny, hot and humid

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

    Sep 2

    91°Lo 66°

    Hot and humid with some sun

    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 >
  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 75° 78° 82° 85° 87° 88° 89° 89°
RealFeel® 80° 83° 89° 94° 95° 95° 95° 92°
Humidity 76% 64% 58% 55% 51% 49% 47% 47%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 5 WNW 5 WNW 6 WNW 7 W 7 W 8 W 8 WSW 8 WSW
UV Index 2 3 5 6 6 6 5 3
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 67° 65° 66° 68° 67° 67° 67° 67°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2014
High 89° 80° 99° (1953) 88°
Low 65° 58° 41° (1934) 72°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 13:09 of sunlight, then sets at 7:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:50 PM with 12:58 of moolight, then sets at 9:48 AM

Bethlehem Weather Report

Philadelphia: Heat, Humidity to Come Back Into Next Week

August 29, 2015; 4:23 AM ET

Heat and humidity will return to Philadelphia this weekend and hang on into next week. more >

Mon. Dust & Dander

Mon. Wind Maps