• Tonight

    Sep 18

    Lo 57°

    Mainly clear

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      3 mph
    more
  • Fri

    Sep 19

    72°Lo 58°

    Partly sunny and nice

    Poor for home energy
    • Avg
      RealFeel
      65°
    • Hi
      RealFeel
      72°
    • Wind
      Speed
      8 mph
    more
  • Sat

    Sep 20

    77°Lo 63°

    Clouds giving way to some sun

    Poor for home energy
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      76°
    • Wind
      Speed
      7 mph
  • Sun

    Sep 21

    83°Lo 60°

    Warm with sun and some clouds

    Poor for home energy
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      83°
    • Wind
      Speed
      5 mph
    more
  • Mon

    Sep 22

    73°Lo 54°

    Times of clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      72°
    • Wind
      Speed
      7 mph
    more
Next Previous
Hi 77° RealFeel® 76° Precipitation 25%

Day

N

E

S

W

  • SSE 7 mph
  • Gusts: 13 mph

Cloudy in the morning, then clouds and sunshine in the afternoon

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 6%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 63° RealFeel® 61° Precipitation 21%

Night

N

E

S

W

  • S 5 mph
  • Gusts: 11 mph

Partly cloudy

  • 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 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 77° 76° 90° (1983) 79°
Low 63° 59° 45° (1979) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:47 AM with 12:15 of sunlight, then sets at 7:02 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:25 AM with 13:39 of moolight, then sets at 5:04 PM

Top Story

Chester Weather Report

Philly: Remainder of Week to Be Dry, Cool

September 18, 2014; 2:19 PM ET

Rainfall will continued to be scarce around Philadelphia this week, but cool air will be plentiful. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index