• Early AM

    Aug 24

    Lo 70°

    A shower or thunderstorm

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
    more
  • Today

    Aug 24

    84°Lo 70°

    A few strong thunderstorms

    High ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Aug 25

    81°Lo 59°

    Mostly cloudy with a t-storm

    Moderate ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Aug 26

    78°Lo 60°

    Periods of sun; less humid

    High ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Aug 27

    81°Lo 70°

    An afternoon thunderstorm

    High ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
Next Previous
Cloudy 77° Lo 73° RealFeel® 83° / 78°

N

E

S

W

  • Precipitation: 25%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 92%
  • Cloud Cover: 90%
  • Dew Point: 72° F
  • Visibility: 6 mi
6 mph

Temperature History - Aug 27

more Historical Weather Data >
  Today Normal Record 8/27/2015
High 81° 82° 98° (1973) 75°
Low 70° 61° 38° (1915) 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:18 of sunlight, then sets at 7:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:33 AM with 14:47 of moolight, then sets at 4:20 PM

Ottawa Weather Report

Strong thunderstorms to stretch across central US this week

August 23, 2016; 10:48 PM ET

The return of warmer and more humid air will trigger another round of strong thunderstorms across the central United States this week. more >

Sat. Dust & Dander

Sat. Wind Maps