• Today

    Aug 20

    87°Lo 67°

    A thunderstorm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Aug 21

    87°Lo 69°

    A couple of thunderstorms

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Aug 22

    85°Lo 68°

    A couple of thunderstorms

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

    Aug 23

    79°Lo 66°

    A passing shower or two

    Low ragweed pollen levels
    • Precip
      60%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      70%
    more
  • Sun

    Aug 24

    78°Lo 64°

    Periods of clouds and sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      70%
    more
Next Previous
Hi 87° RealFeel® 96° Precipitation 60%

Day

N

E

S

W

  • NW 3 mph
  • Gusts: 6 mph

Variable cloudiness with a couple of showers and a thunderstorm; humid

  • Max UV Index: 6 (High)
  • Thunderstorms: 60%
  • Precipitation: 0.23 in
  • Rain: 0.23 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs
Lo 69° RealFeel® 70° Precipitation 60%

Night

N

E

S

W

  • N 2 mph
  • Gusts: 3 mph

Partly cloudy with a couple of showers

  • Max UV Index: N/A
  • Thunderstorms: 29%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Lanham Pollen Levels - August 21

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 87° 83° N/A 89°
Low 69° 65° N/A 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 13:28 of sunlight, then sets at 7:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:56 AM with 14:25 of moolight, then sets at 5:21 PM

Top Story

Lanham Weather Report

DC: Downpour, Flooding Risk to Increase Into Thursday

August 20, 2014; 3:08 AM ET

A wedge of dry air will slowly erode at midweek and will allow showers and thunderstorms to survive the trip into Washington, D.C., from the Midwest. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps