• Tonight

    May 19

    Lo 64°

    An evening t-storm in spots

    Dust & Dander Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Mon

    May 20

    90°Lo 65°

    Partly sunny

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Tue

    May 21

    89°Lo 65°

    Warm and humid with some sun

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Wed

    May 22

    86°Lo 64°

    Some sun, a t-storm in spots

    Extreme indoor dust & dander levels
    • Precip
      41%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      48%
    more
  • Thu

    May 23

    83°Lo 61°

    Some sun, a t-storm; humid

    Extreme indoor dust & dander levels
    • Precip
      57%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      55%
    more
Next Previous
Hi 74° RealFeel® 82° Precipitation 85%

Day

N

E

S

W

  • SW 3 mph
  • Gusts: 12 mph

A couple of severe t-storms late in the a.m., then heavy t-storms; otherwise, mostly cloudy, warmer

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 100%
  • Precipitation: 0.34 in
  • Rain: 0.34 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 5 hrs
  • Hours of Rain: 5 hrs
Lo 64° RealFeel® 64° Precipitation 50%

Night

N

E

S

W

  • WSW 3 mph
  • Gusts: 6 mph

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

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.06 in
  • Rain: 0.06 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Knoxville Pollen Levels - May 19

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - May 19

more Historical Weather Data >
  Today Normal Record 5/19/2012
High 74° 79° 93° (1962) 84°
Low 64° 57° 38° (1976) 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 14:09 of sunlight, then sets at 8:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:53 PM with 12:19 of moolight, then sets at 3:12 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