• Fri

    Jul 15

    84°Lo 73°

    A shower in the afternoon

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

    Jul 16

    92°Lo 74°

    A t-storm in spots; warmer

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      63%
    more
  • Sun

    Jul 17

    90°Lo 71°

    T-storms in the afternoon

    Ragweed Pollen Weather
    • Precip
      78%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      91%
    more
  • Mon

    Jul 18

    88°Lo 70°

    Mostly sunny and less humid

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      46%
  • Tue

    Jul 19

    85°Lo 69°

    A couple of p.m. t-storms

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      35%
    more
Next Previous
Hi 88° RealFeel® 95° Precipitation 20%

Day

N

E

S

W

  • NW 4 mph
  • Gusts: 8 mph

Mostly sunny and less humid

  • Max UV Index: 7 (High)
  • Thunderstorms: 3%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 70° RealFeel® 70° Precipitation 20%

Night

N

E

S

W

  • SSW 6 mph
  • Gusts: 13 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • 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 18

more Historical Weather Data >
  Today Normal Record 7/18/2015
High 88° 84° 102° (1930) 88°
Low 70° 65° 45° (1924) 75°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:38 AM with 14:47 of sunlight, then sets at 8:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:19 PM with 10:07 of moolight, then sets at 5:26 AM

Ottawa Weather Report

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

June 30, 2016; 11:52 PM 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 >