• Today

    Sep 1

    90°Lo 67°

    Sunny, hot and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      0%
    • Hi
      RealFeel
      96°
    more
  • Wed

    Sep 2

    92°Lo 66°

    Mostly sunny, hot and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      6%
    • Hi
      RealFeel
      102°
    more
  • Thu

    Sep 3

    93°Lo 68°

    Hot with sun, some clouds

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      13%
    • Hi
      RealFeel
      100°
    more
  • Fri

    Sep 4

    84°Lo 61°

    Not as hot with a t-storm

    Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      55%
    • Hi
      RealFeel
      90°
    more
  • Sat

    Sep 5

    80°Lo 57°

    Mostly sunny and less humid

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      85°
Next Previous
Hi 80° RealFeel® 85° Precipitation 7%

Day

N

E

S

W

  • SSE 4 mph
  • Gusts: 9 mph

Mostly sunny, pleasant and less humid

  • Max UV Index: 6 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 57° RealFeel® 57° Precipitation 11%

Night

N

E

S

W

  • SSW 5 mph
  • Gusts: 8 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 5

more Historical Weather Data >
  Today Normal Record 9/5/2014
High 80° 79° 92° (1983) 85°
Low 57° 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 7:42 PM with 18:29 of moolight, then sets at 2:12 PM

Bethlehem Weather Report

Philadelphia: July-like Heat to Continue Through Labor Day

September 1, 2015; 12:32 PM 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?

Sat. Degree Days

Sat. Evapotranspiration