• Tonight

    May 18

    Lo 54°

    A shower early; some clouds

    Dust & Dander Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High

  • Sun

    May 19

    65°Lo 56°

    A passing afternoon shower

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

  • Mon

    May 20

    74°Lo 62°

    Variable clouds, a t-storm

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

  • Tue

    May 21

    74°Lo 65°

    A thunderstorm possible

    Extreme indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      70%
    more

  • Wed

    May 22

    75°Lo 64°

    A couple of thunderstorms

    Extreme indoor dust & dander levels
    • Precip
      61%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      69%
    more
Next Previous
Hi 67° RealFeel® 71° Precipitation 60%

Day

N

E

S

W

  • S 5 mph
  • Gusts: 9 mph

Overcast with a passing shower or two this afternoon

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 3%
  • Precipitation: 0.06 in
  • Rain: 0.06 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 54° RealFeel® 52° Precipitation 50%

Night

N

E

S

W

  • SSW 5 mph
  • Gusts: 8 mph

A shower in places this evening; otherwise, increasing clouds

  • Max UV Index: N/A
  • Thunderstorms: 3%
  • Precipitation: 0.01 in
  • Rain: 0.01 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Hempstead Pollen Levels - May 18

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 18

more Historical Weather Data >
  Today Normal Record 5/18/2012
High 67° 69° N/A 67°
Low 54° 51° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:35 AM with 14:32 of sunlight, then sets at 8:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:07 PM with 12:51 of moolight, then sets at 1:58 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.

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps