• Tonight

    May 18

    Lo 64°

    A couple of thunderstorms

    Dust & Dander Weather
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
  • Sun

    May 19

    77°Lo 63°

    Showers and a heavier t-storm

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

    May 20

    80°Lo 67°

    Variable clouds, a t-storm

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

    May 21

    84°Lo 66°

    A thunderstorm possible

    Extreme indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      45%
    more
  • Wed

    May 22

    85°Lo 64°

    A p.m. t-storm possible

    Extreme indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      69%
    more
Next Previous
Hi 72° RealFeel® 77° Precipitation 55%

Day

N

E

S

W

  • E 3 mph
  • Gusts: 9 mph

Not as warm with clouds and breaks of sun

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0.16 in
  • Rain: 0.16 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 64° RealFeel® 61° Precipitation 63%

Night

N

E

S

W

  • SE 4 mph
  • Gusts: 6 mph

Mostly cloudy and mild with a couple of showers and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 46%
  • Precipitation: 0.44 in
  • Rain: 0.44 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs

South Boston Pollen Levels - May 18

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

    Pollen

    Moderate

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 18

more Historical Weather Data >
  Today Normal Record 5/18/2012
High 72° 79° 93° (1996) 74°
Low 64° 54° 37° (1973) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:06 AM with 14:12 of sunlight, then sets at 8:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:31 PM with 12:47 of moolight, then sets at 2:18 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