• Early AM

    Jul 3

    Lo 54°

    Partly to mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Today

    Jul 3

    78°Lo 57°

    Nice with sun and some clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sat

    Jul 4

    83°Lo 61°

    Mostly sunny and delightful

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Sun

    Jul 5

    85°Lo 65°

    Mostly sunny and pleasant

    Low ragweed pollen levels
    • Precip
      8%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      23%
    more
  • Mon

    Jul 6

    84°Lo 65°

    A heavy afternoon t-storm

    Low ragweed pollen levels
    • Precip
      58%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      64%
    more
Next Previous
Hi 83° RealFeel® 90° Precipitation 4%

Day

N

E

S

W

  • W 5 mph
  • Gusts: 7 mph

Mostly sunny and delightful

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 61° RealFeel® 62° Precipitation 7%

Night

N

E

S

W

  • SSW 4 mph
  • Gusts: 6 mph

Clear to partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 3%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Ottawa Pollen Levels - July 4

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - Jul 4

more Historical Weather Data >
  Today Normal Record 7/4/2014
High 83° 84° 102° (1901) 80°
Low 61° 64° 45° (1922) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:27 AM with 15:05 of sunlight, then sets at 8:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:21 PM with 11:14 of moolight, then sets at 9:35 AM

Ottawa Weather Report

Chicago: Sunny, Comfortable Conditions for July Fourth Weekend

July 3, 2015; 3:24 AM ET

The holiday weekend will feature mostly sunny skies and seasonable weather for residents living in the Chicago area. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps