• Early AM

    Sep 2

    Lo 66°

    Areas of fog

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      5%
    • Hi
      RealFeel
      97°
    more
  • Today

    Sep 2

    91°Lo 65°

    Fog in the a.m.; partly sunny

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      8%
    • Hi
      RealFeel
      101°
    more
  • Thu

    Sep 3

    91°Lo 67°

    Hot with sun, some clouds

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      11%
    • Hi
      RealFeel
      99°
  • Fri

    Sep 4

    82°Lo 58°

    Partly sunny with a t-storm

    Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      11%
    • Hi
      RealFeel
      90°
    more
  • Sat

    Sep 5

    82°Lo 55°

    Mostly sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      11%
    • Hi
      RealFeel
      85°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Fog
Fog
Sunny
Sunny
Sunny
Sunny
Sunny
Mostly Sunny
Temp (°F) 65° 68° 71° 75° 80° 84° 87° 88°
RealFeel® 66° 69° 74° 82° 88° 94° 99° 99°
Humidity 97% 93% 88% 79% 67% 60% 57% 51%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 2 NNW 2 NNW 2 NW 4 NNW 4 NNW 5 N 5 N 5 NNW
UV Index 0 0 1 2 3 5 6 6
Cloud Cover 26% 26% 0% 3% 7% 9% 9% 11%
Dew Point 64° 66° 67° 68° 68° 69° 70° 68°
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 Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 91° 79° 99° (1953) 84°
Low 67° 58° 41° (1967) 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 13:01 of sunlight, then sets at 7:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:52 PM with 14:20 of moolight, then sets at 1:12 PM

Bethlehem Weather Report

Philadelphia: July-like Heat to Continue Through Labor Day

September 2, 2015; 12:12 AM ET

The vast majority of the time through the Labor Day weekend will feature sunshine with unseasonably hot afternoons around Philadelphia. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Thu. Overnight Freeze

Thu. Degree Days

Thu. Evapotranspiration