• Tue

    Sep 13

    84°Lo 63°

    Abundant sunshine

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

    Sep 14

    84°Lo 61°

    Decreasing clouds

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      4%
    more
  • Thu

    Sep 15

    82°Lo 61°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      47%
    more
  • Fri

    Sep 16

    82°Lo 59°

    Mainly cloudy with a shower

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      31%
    more
  • Sat

    Sep 17

    79°Lo 59°

    Sunny

    Ragweed Pollen Weather
    • Precip
      10%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      8%
    more
Next Previous
Hi 84° RealFeel® 88° Precipitation 5%

Day

N

E

S

W

  • SE 4 mph
  • Gusts: 9 mph

Abundant sunshine

  • Max UV Index: 6 (High)
  • Thunderstorms: 1%
  • 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® 64° Precipitation 20%

Night

N

E

S

W

  • SSE 4 mph
  • Gusts: 9 mph

Becoming cloudy

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • 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 13

more Historical Weather Data >
  Today Normal Record 9/13/2015
High 84° 81° N/A 72°
Low 63° 60° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:50 AM with 12:30 of sunlight, then sets at 7:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:26 PM with 10:49 of moolight, then sets at 4:15 AM

Frederick Weather Report

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

August 29, 2016; 8:24 PM ET

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