• Today

    May 18

    89°Lo 72°

    A t-storm around in the p.m.

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low

  • Sun

    May 19

    88°Lo 72°

    A p.m. t-storm in spots

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more

  • Mon

    May 20

    88°Lo 71°

    An afternoon thunderstorm

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more

  • Tue

    May 21

    88°Lo 73°

    A p.m. t-storm possible

    Extreme indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      37%
    more

  • Wed

    May 22

    88°Lo 72°

    A t-storm in the afternoon

    Extreme indoor dust & dander levels
    • Precip
      68%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      50%
    more
Next Previous
Hi 89° RealFeel® 101° Precipitation 40%

Day

N

E

S

W

  • NNE 6 mph
  • Gusts: 12 mph

Partly sunny with a thunderstorm in spots this afternoon

  • Max UV Index: 11 (Extreme)
  • Thunderstorms: 60%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 72° RealFeel® 72° Precipitation 40%

Night

N

E

S

W

  • SE 4 mph
  • Gusts: 10 mph

A thunderstorm in spots this evening; otherwise, partly cloudy and humid

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Saint Petersburg Pollen Levels - May 18

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - May 18

more Historical Weather Data >
  Today Normal Record 5/18/2012
High 89° 87° N/A 87°
Low 72° 70° N/A 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 13:35 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:52 PM with 12:39 of moolight, then sets at 2:31 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