• Fri

    Sep 9

    87°Lo 63°

    Clouds breaking for some sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Sep 10

    82°Lo 64°

    Clouds and breaks of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Sep 11

    84°Lo 56°

    A couple of showers possible

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    Sep 12

    85°Lo 58°

    Thunderstorms possible

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Tue

    Sep 13

    85°Lo 59°

    Mainly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 85° RealFeel® 86° Precipitation 35%

Day

N

E

S

W

  • SE 5 mph
  • Gusts: 14 mph

Sun and some clouds with showers and thunderstorms possible

  • Max UV Index: 6 (High)
  • Thunderstorms: 35%
  • 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® 56° Precipitation 54%

Night

N

E

S

W

  • SE 6 mph
  • Gusts: 14 mph

Increasing clouds with a touch of rain late

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.01 in
  • Rain: 0.01 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Sep 12

more Historical Weather Data >
  Today Normal Record 9/12/2015
High 85° 81° N/A 70°
Low 58° 60° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:49 AM with 12:33 of sunlight, then sets at 7:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:42 PM with 10:30 of moolight, then sets at 3:12 AM

Frederick Weather Report

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

August 30, 2016; 10:24 PM ET

Brief relief from heat and humidity will arrive in the northeastern United States during the first days of September. more >