• Sat

    Sep 17

    78°Lo 57°

    Mostly sunny

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      79°
    • Wind
      Speed
      6 mph
    more
  • Sun

    Sep 18

    79°Lo 56°

    Partial sunshine

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      67°
    • Hi
      RealFeel
      79°
    • Wind
      Speed
      7 mph
    more
  • Mon

    Sep 19

    79°Lo 56°

    A shower or t-storm in spots

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      80°
    • Wind
      Speed
      8 mph
    more
  • Tue

    Sep 20

    78°Lo 56°

    Considerable cloudiness

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      77°
    • Wind
      Speed
      5 mph
  • Wed

    Sep 21

    73°Lo 54°

    Sun and some clouds

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      64°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      5 mph
    more
Next Previous
Hi 78° RealFeel® 77° Precipitation 25%

Day

N

E

S

W

  • NE 8 mph
  • Gusts: 15 mph

Considerable cloudiness

  • Max UV Index: 2 (Low)
  • Thunderstorms: 12%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 56° RealFeel® 54° Precipitation 25%

Night

N

E

S

W

  • NE 5 mph
  • Gusts: 8 mph

Becoming clear

  • Max UV Index: N/A
  • Thunderstorms: 6%
  • 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 9/20/2015
High 78° 76° N/A 73°
Low 56° 54° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:55 AM with 12:13 of sunlight, then sets at 7:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:04 PM with 14:18 of moolight, then sets at 12:22 PM

Gettysburg Weather Report

September to start on cooler, less humid note in northeastern US

August 28, 2016; 11:28 PM ET

Brief relief from heat and humidity will arrive in the northeastern United States at the start of September. more >