• Today

    Aug 25

    84°Lo 67°

    A heavy t-storm; not as hot

    Moderate ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
  • Fri

    Aug 26

    83°Lo 68°

    A severe thunderstorm

    Moderate ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Aug 27

    86°Lo 68°

    Couple of thunderstorms

    Moderate ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Aug 28

    85°Lo 69°

    Mostly cloudy with a t-storm

    Moderate ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    Aug 29

    87°Lo 67°

    A shower and t-storm around

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 84° RealFeel® 92° Precipitation 57%

Day

N

E

S

W

  • NE 6 mph
  • Gusts: 14 mph

Mostly cloudy and not as hot with a heavy t-storm; storms can bring flooding and damaging winds

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.36 in
  • Rain: 0.36 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 67° RealFeel® 65° Precipitation 75%

Night

N

E

S

W

  • E 6 mph
  • Gusts: 10 mph

Periods of rain, some heavy, and a thunderstorm; watch for flash flooding

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.95 in
  • Rain: 0.95 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 7 hrs
  • Hours of Rain: 7 hrs

Ottawa Pollen Levels - August 25

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Tree Pollen

    Low

  • Ragweed Pollen

    Moderate

  • Mold

    Low

  • Grass Pollen

    Low

Temperature History - Aug 25

more Historical Weather Data >
  Today Normal Record 8/25/2015
High 84° 86° N/A 81°
Low 67° 65° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 13:15 of sunlight, then sets at 8:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:23 AM with 14:20 of moolight, then sets at 2:43 PM

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps