• Today

    Jul 23

    98°Lo 79°

    Hot with clouds and sun

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

    Jul 24

    98°Lo 72°

    A thunderstorm around

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

    Jul 25

    90°Lo 71°

    A couple of p.m. t-storms

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

    Jul 26

    91°Lo 72°

    An afternoon thunderstorm

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

    Jul 27

    91°Lo 73°

    A couple of thunderstorms

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 98° RealFeel® 112° Precipitation 41%

Day

N

E

S

W

  • W 7 mph
  • Gusts: 10 mph

Intervals of clouds and sunshine with a thunderstorm in spots in the afternoon

  • Max UV Index: 7 (High)
  • Thunderstorms: 60%
  • 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
Lo 72° RealFeel® 71° Precipitation 44%

Night

N

E

S

W

  • NE 6 mph
  • Gusts: 9 mph

Rather cloudy with a shower or thunderstorm in spots

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.38 in
  • Rain: 0.38 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Ottawa Pollen Levels - July 24

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

    Low

  • Ragweed Pollen

    Moderate

  • Mold

    Low

  • Grass Pollen

    Moderate

Temperature History - Jul 24

more Historical Weather Data >
  Today Normal Record 7/24/2015
High 98° 88° N/A 97°
Low 72° 69° N/A 73°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 14:22 of sunlight, then sets at 8:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:42 PM with 12:42 of moolight, then sets at 12:24 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 >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps