• Sat

    Sep 17

    79°Lo 59°

    Sunny

    Driving Weather
    • Precip
      10%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sun

    Sep 18

    80°Lo 59°

    Partly sunny

    Driving Weather
    • Precip
      20%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Mon

    Sep 19

    80°Lo 59°

    Cloudy with a thunderstorm

    Driving Weather
    • Precip
      65%
    • Hours of Precip
      2.5
    • Rain
      0.21 in
    more
  • Tue

    Sep 20

    78°Lo 58°

    Plenty of clouds

    Driving Weather
    • Precip
      25%
    • Hours of Precip
      0
    • Rain
      0 in
  • Wed

    Sep 21

    73°Lo 58°

    Partial sunshine

    Driving Weather
    • Precip
      10%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
Hi 78° RealFeel® 77° Precipitation 25%

Day

N

E

S

W

  • NE 8 mph
  • Gusts: 14 mph

Plenty of clouds

  • 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 58° RealFeel® 57° Precipitation 25%

Night

N

E

S

W

  • NNE 5 mph
  • Gusts: 8 mph

Becoming clear

  • Max UV Index: N/A
  • Thunderstorms: 7%
  • 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° 78° N/A 75°
Low 58° 57° N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:56 AM with 12:13 of sunlight, then sets at 7:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:06 PM with 14:16 of moolight, then sets at 12:22 PM

Frederick Weather Report

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

August 29, 2016; 2:28 AM ET

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

Travel Weather Forecast

Aug 29, 2016; 1:11 AM ET United States travel weather forecast