• Thu

    Aug 14

    84°Lo 62°

    Brilliant sunshine

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    Aug 15

    82°Lo 62°

    Sunny

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sat

    Aug 16

    87°Lo 68°

    Sunny

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Sun

    Aug 17

    88°Lo 70°

    Increasing cloudiness

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    Aug 18

    86°Lo 66°

    T-storms in the afternoon

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 87° RealFeel® 89° Precipitation 20%

Day

N

E

S

W

  • S 3 mph
  • Gusts: 4 mph

Sunny

  • Max UV Index: 7 (High)
  • 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 68° RealFeel® 66° Precipitation 20%

Night

N

E

S

W

  • SSE 5 mph
  • Gusts: 8 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 16

more Historical Weather Data >
  Today Normal Record 8/16/2013
High 87° 87° N/A 79°
Low 68° 66° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 13:41 of sunlight, then sets at 8:04 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:50 PM with 14:16 of moolight, then sets at 2:06 PM

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Frederick Weather Report

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The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.