• Sun

    May 15

    83°Lo 60°

    Partly sunny and less humid

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

    May 16

    78°Lo 56°

    Couple of thunderstorms

    Ragweed Pollen Weather
    • Precip
      60%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      93%
  • Tue

    May 17

    79°Lo 50°

    Clouds giving way to some sun

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      0%
    more
  • Wed

    May 18

    70°Lo 53°

    Sunny

    Ragweed Pollen Weather
    • Precip
      5%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      4%
    more
  • Thu

    May 19

    74°Lo 54°

    Sunshine

    Ragweed Pollen Weather
    • Precip
      5%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      4%
    more
Next Previous
Hi 78° RealFeel® 78° Precipitation 65%

Day

N

E

S

W

  • WSW 6 mph
  • Gusts: 13 mph

Cloudy with a couple of showers and a thunderstorm, mainly later

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 42%
  • Precipitation: 0.39 in
  • Rain: 0.39 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs
Lo 56° RealFeel® 50° Precipitation 60%

Night

N

E

S

W

  • NW 10 mph
  • Gusts: 20 mph

Cloudy; a couple of evening showers and a thunderstorm followed by a little rain late

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.38 in
  • Rain: 0.38 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Temperature History - May 16

more Historical Weather Data >
  Today Normal Record 5/16/2015
High 78° 76° N/A 88°
Low 56° 54° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:56 AM with 14:21 of sunlight, then sets at 8:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:38 PM with 12:44 of moolight, then sets at 3:22 AM

Frederick Weather Report

Rain to ease unusual northeastern US dryness but to put a damper on outdoor plans

May 1, 2016; 12:55 AM ET

Expanding rainfall will bring good news for unusually dry portions of the northeastern United States into the start of May. more >