• Today

    May 19

    75°Lo 64°

    Occasional rain, mainly early

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
  • Mon

    May 20

    81°Lo 65°

    Variably cloudy, a t-storm

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
    more
  • Tue

    May 21

    87°Lo 68°

    A p.m. t-storm in spots

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Wed

    May 22

    86°Lo 68°

    A thunderstorm in the area

    Extreme indoor dust & dander levels
    • Precip
      40%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      69%
    more
  • Thu

    May 23

    83°Lo 66°

    A couple of thunderstorms

    Extreme indoor dust & dander levels
    • Precip
      59%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      77%
    more
Next Previous
Hi 75° RealFeel® 76° Precipitation 60%

Day

N

E

S

W

  • SSE 4 mph
  • Gusts: 8 mph

Mostly cloudy and warmer with occasional rain and drizzle, mainly early in the day

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 26%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 64° RealFeel® 62° Precipitation 55%

Night

N

E

S

W

  • S 3 mph
  • Gusts: 7 mph

Mostly cloudy with a passing shower or two

  • Max UV Index: N/A
  • Thunderstorms: 26%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Lanham Pollen Levels - May 19

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

    Pollen

    Moderate

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 19

more Historical Weather Data >
  Today Normal Record 5/19/2012
High 75° 75° N/A 79°
Low 64° 55° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:52 AM with 14:25 of sunlight, then sets at 8:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:22 PM with 12:19 of moolight, then sets at 2:41 AM

How Weather Impacts Seasonal Allergy Symptoms

May 18, 2013; 5:00 AM ET If you suffer with seasonal allergies, the weather can relieve or worsen your symptoms. Marja Martinez has the details.

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps