• Today

    Jul 1

    75°Lo 54°

    Partly sunny and nice

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

    Jul 2

    77°Lo 57°

    Mostly sunny and nice

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

    Jul 3

    75°Lo 59°

    Partial sunshine

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

    Jul 4

    81°Lo 63°

    Sunshine and patchy clouds

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

    Jul 5

    86°Lo 67°

    Sunshine and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Sunny to partly cloudy 81° Lo 77° RealFeel® 86° / 76°

N

E

S

W

  • Precipitation: 11%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 54%
  • Cloud Cover: 25%
  • Dew Point: 61° F
  • Visibility: 10 mi
7 mph

Temperature History - Jul 4

more Historical Weather Data >
  Today Normal Record 7/4/2015
High 81° 84° 102° (1901) 80°
Low 63° 64° 45° (1922) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:28 AM with 15:04 of sunlight, then sets at 8:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:51 AM with 14:45 of moolight, then sets at 8:36 PM

Ottawa Weather Report

Dry weather to dominate July Fourth weekend from Chicago to NYC, Boston

July 1, 2016; 5:52 AM ET

While downpours could come calling at the start and finish of the July Fourth weekend in the northeastern United States, the vast majority of the time will be dry. more >

Mon. Dust & Dander

Mon. Wind Maps