• Tonight

    May 19

    Lo 62°

    A few strong t-storms; cloudy

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

    May 20

    80°Lo 62°

    A severe afternoon t-storm

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

    May 21

    78°Lo 56°

    A couple of thunderstorms

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

    May 22

    63°Lo 49°

    Cooler with a shower possible

    Very High indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      77%
    more
  • Thu

    May 23

    58°Lo 44°

    A shower possible

    Extreme indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      94%
    more
Next Previous
Hi 80° RealFeel® 79° Precipitation 60%

Day

N

E

S

W

  • S 15 mph
  • Gusts: 27 mph

A severe afternoon t-storm; storms can bring downpours, large hail, damaging winds, and a tornado

  • Max UV Index: 6 (High)
  • Thunderstorms: 100%
  • Precipitation: 0.24 in
  • Rain: 0.24 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 62° RealFeel® 57° Precipitation 59%

Night

N

E

S

W

  • SSE 7 mph
  • Gusts: 12 mph

Partly cloudy with a couple of showers and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Rochester Pollen Levels - May 20

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - May 20

more Historical Weather Data >
  Today Normal Record 5/20/2012
High 80° 70° 96° (1934) 76°
Low 62° 49° 30° (1967) 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:39 AM with 14:55 of sunlight, then sets at 8:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:34 PM with 11:40 of moolight, then sets at 3:14 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.

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps