• Today

    Apr 20

    73°Lo 41°

    Sunny and very warm

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Mon

    Apr 21

    62°Lo 33°

    Mostly sunny; breezy, cooler

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

    Apr 22

    62°Lo 41°

    Mostly sunny

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

    Apr 23

    67°Lo 43°

    Mostly cloudy with a t-storm

    Moderate indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      93%
    more
  • Thu

    Apr 24

    61°Lo 37°

    Some rain and a thunderstorm

    Low indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      64%
    more
Next Previous
Hi 62° RealFeel® 60° Precipitation 2%

Day

N

E

S

W

  • NNW 16 mph
  • Gusts: 24 mph

Mostly sunny, breezy and cooler

  • Max UV Index: 7 (High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 33° RealFeel® 31° Precipitation 0%

Night

N

E

S

W

  • N 6 mph
  • Gusts: 18 mph

Mostly clear

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

Grenville Pollen Levels - April 21

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 62° 60° 99° (1980) 40°
Low 33° 36° 19° (1967) 30°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:34 AM with 13:50 of sunlight, then sets at 8:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:00 AM with 9:58 of moolight, then sets at 11:58 AM

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps