• Early AM

    Sep 4

    Lo 70°

    Partly to mostly cloudy

    Lawn Mowing Weather
    • Hours of Precip
      1.5
    • Precip
      9%
    • Hi
      RealFeel
      101°
    more
  • Today

    Sep 4

    84°Lo 62°

    A thunderstorm in the area

    Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      18%
    • Hi
      RealFeel
      90°
    more
  • Sat

    Sep 5

    83°Lo 53°

    Sunny, nice and less humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      16%
    • Hi
      RealFeel
      87°
  • Sun

    Sep 6

    85°Lo 57°

    Sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      14%
    • Hi
      RealFeel
      89°
    more
  • Mon

    Sep 7

    89°Lo 64°

    Sunny and very warm

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      11%
    • Hi
      RealFeel
      92°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 64° 65° 68° 71° 74° 77° 79° 81°
RealFeel® 63° 64° 69° 74° 79° 84° 86° 87°
Humidity 73% 75% 69% 60% 54% 50% 43% 40%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
3%
 
2%
 
2%
 
2%
 
2%
 
2%
 
1%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 5 ENE 5 ENE 5 ENE 6 ENE 6 ENE 6 ENE 6 ENE 5 E
UV Index 0 1 2 3 5 6 6 6
Cloud Cover 26% 10% 10% 10% 10% 10% 10% 10%
Dew Point 55° 57° 58° 56° 57° 57° 55° 54°
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 5

more Historical Weather Data >
  Today Normal Record 9/5/2014
High 83° 79° 92° (1983) 85°
Low 53° 57° 44° (1997) 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:32 AM with 12:55 of sunlight, then sets at 7:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:37 AM with 8:34 of moolight, then sets at 2:12 PM

Bethlehem Weather Report

Philadelphia: Heat to Rebuild Labor Day Weekend After Cooldown

September 3, 2015; 2:40 PM ET

A backdoor front will trim temperatures, haze and humidity around Philadelphia early this weekend before all three conditions build by early next week. 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?

Sat. Overnight Freeze

Sat. Degree Days

Sat. Evapotranspiration