• Thu

    Jul 28

    88°Lo 71°

    A thunderstorm around

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

    Jul 29

    90°Lo 68°

    A strong afternoon t-storm

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

    Jul 30

    90°Lo 69°

    A couple of t-storms possible

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

    Jul 31

    90°Lo 69°

    A thunderstorm possible

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

    Aug 1

    95°Lo 75°

    Sunshine, a t-storm possible

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 90° RealFeel® 98° Precipitation 40%

Day

N

E

S

W

  • NNW 8 mph
  • Gusts: 13 mph

A thunderstorm in spots in the morning; watch for a strong thunderstorm in the afternoon

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 95%
  • Precipitation: 0.14 in
  • Rain: 0.14 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 68° RealFeel® 70° Precipitation 40%

Night

N

E

S

W

  • WNW 5 mph
  • Gusts: 10 mph

A thunderstorm in spots in the evening; otherwise, clearing

  • Max UV Index: N/A
  • Thunderstorms: 90%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Jul 29

more Historical Weather Data >
  Today Normal Record 7/29/2015
High 90° 88° N/A 86°
Low 68° 69° N/A 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:21 AM with 14:13 of sunlight, then sets at 8:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:25 AM with 14:25 of moolight, then sets at 4:50 PM

Ottawa Weather Report

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

July 23, 2016; 2:02 PM ET

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