• Tonight

    Sep 18

    Lo 54°

    Patchy clouds

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Sep 19

    73°Lo 60°

    Partly sunny and pleasant

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Sep 20

    80°Lo 60°

    Times of clouds and sun

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Sun

    Sep 21

    84°Lo 59°

    Partly sunny and very warm

    Moderate ragweed pollen levels
    • Precip
      23%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      41%
    more
  • Mon

    Sep 22

    75°Lo 51°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      70%
    more
Next Previous
Hi 80° RealFeel® 83° Precipitation 10%

Day

N

E

S

W

  • S 3 mph
  • Gusts: 5 mph

Times of clouds and sun

  • Max UV Index: 5 (Moderate)
  • 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 60° RealFeel® 59° Precipitation 21%

Night

N

E

S

W

  • S 3 mph
  • Gusts: 4 mph

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • 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 9/20/2013
High 80° 76° N/A 81°
Low 60° 57° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:53 AM with 12:15 of sunlight, then sets at 7:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:32 AM with 13:37 of moolight, then sets at 5:09 PM

Top Story

Lanham Weather Report

DC: Remainder of Week to Be Dry, Cool

September 18, 2014; 2:11 PM ET

Rainfall will continue to be scarce around Washington, D.C., this week, but cool air will be plentiful. more >

Sat. Dust & Dander

Sat. Wind Maps