• Fri

    May 20

    79°Lo 58°

    A couple of showers

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

    May 21

    77°Lo 58°

    Partly sunny with a t-storm

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      34%
    more
  • Sun

    May 22

    78°Lo 59°

    Partly sunny with a t-storm

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      18%
  • Mon

    May 23

    78°Lo 56°

    Sun and some clouds

    Ragweed Pollen Weather
    • Precip
      5%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      0%
    more
  • Tue

    May 24

    78°Lo 59°

    Brilliant sunshine

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      31%
    more
Next Previous
Hi 78° RealFeel® 82° Precipitation 56%

Day

N

E

S

W

  • NNW 6 mph
  • Gusts: 10 mph

Sun and some clouds with a shower or thunderstorm around

  • Max UV Index: 7 (High)
  • Thunderstorms: 42%
  • Precipitation: 0.12 in
  • Rain: 0.12 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 59° RealFeel® 57° Precipitation 20%

Night

N

E

S

W

  • WNW 6 mph
  • Gusts: 9 mph

Mostly clear

  • Max UV Index: N/A
  • Thunderstorms: 14%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - May 22

more Historical Weather Data >
  Today Normal Record 5/22/2015
High 78° 78° N/A 75°
Low 59° 56° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:50 AM with 14:34 of sunlight, then sets at 8:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:06 PM with 10:16 of moolight, then sets at 7:22 AM

Frederick Weather Report

Relentless rain to drench eastern US through much of May

May 6, 2016; 2:25 AM ET

While a brief break in the wet weather is coming early next week, rounds of rain will resume later next week and cause difficulties for outdoor plans and agriculture through much of May. more >