• Fri

    Jul 29

    78°Lo 63°

    Clouds and sun with a t-storm

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

    Jul 30

    83°Lo 64°

    Periods of clouds and sun

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

    Jul 31

    83°Lo 65°

    Humid with partial sunshine

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

    Aug 1

    87°Lo 67°

    Partly sunny and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    Aug 2

    89°Lo 70°

    A thunderstorm possible

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 78° RealFeel® 87° Precipitation 56%

Day

N

E

S

W

  • NNE 6 mph
  • Gusts: 9 mph

Periods of sun with a shower or thunderstorm around; humid

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 40%
  • 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
Lo 63° RealFeel® 64° Precipitation 25%

Night

N

E

S

W

  • N 4 mph
  • Gusts: 7 mph

Mostly cloudy and humid

  • Max UV Index: N/A
  • Thunderstorms: 21%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Jul 29

more Historical Weather Data >
  Today Normal Record 7/29/2015
High 78° 83° 105° (1916) 85°
Low 63° 64° 47° (1925) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:27 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:53 AM with 14:36 of moolight, then sets at 4:29 PM

Ottawa Weather Report

By the numbers: Recapping the week's stifling central US heat

July 24, 2016; 8:33 AM ET

Stifling heat has been baking the central United States but will finally ease across northern areas this weekend. more >