• Today

    Sep 21

    81°Lo 56°

    A thunderstorm this afternoon

    Excellent for lawn mowing
    • Hours of Precip
      1
    • Precip
      55%
    • Hi
      RealFeel
      83°
  • Mon

    Sep 22

    67°Lo 42°

    Some sun, breezy and cooler

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      6%
    • Hi
      RealFeel
      64°
    more
  • Tue

    Sep 23

    70°Lo 48°

    Mostly sunny and nice

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      71°
    more
  • Wed

    Sep 24

    73°Lo 52°

    Nice with plenty of sunshine

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      5%
    • Hi
      RealFeel
      74°
    more
  • Thu

    Sep 25

    74°Lo 50°

    Mostly sunny and beautiful

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      77°
    more
Next Previous
Next 8 hours >
  Sun
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Partly Cloudy
Partly Cloudy
Cloudy
Cloudy
Mostly Cloudy
Cloudy
Partly Cloudy
Temp (°F) 63° 63° 62° 61° 61° 60° 60° 59°
RealFeel® 63° 63° 62° 61° 60° 60° 59° 58°
Humidity 91% 93% 95% 93% 93% 93% 93% 93%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
1%
 
3%
 
3%
 
3%
 
3%
 
3%
 
3%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 2 NNW 1 NNW 2 NW 2 NNW 2 N 2 NNW 2 NNW 2 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 65% 38% 41% 92% 53% 84% 74% 68%
Dew Point 61° 61° 60° 59° 59° 58° 58° 57°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 81° 73° 91° (1940) 78°
Low 56° 51° 34° (1956) 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:48 AM with 12:13 of sunlight, then sets at 7:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:19 AM with 13:17 of moolight, then sets at 5:36 PM

Top Story

Bethlehem Weather Report

Philly: September Temperature Roller Coaster to Continue

September 21, 2014; 4:41 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September 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?

Current Drought Status

Current Soil Conditions

Sun. Overnight Freeze

Sun. Degree Days

Sun. Evapotranspiration