• Sun

    Sep 21

    20°Lo 10°

    A couple of showers possible

    Very Good for lawn mowing
    • Hours of Precip
      6
    • Precip
      30%
    • Hi
      RealFeel
      20°
    more
  • Mon

    Sep 22

    15°Lo 6°

    Cooler with clouds and sun

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      5%
    • Hi
      RealFeel
      15°
    more
  • Tue

    Sep 23

    17°Lo 11°

    Sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      0%
    • Hi
      RealFeel
      19°
    more
  • Wed

    Sep 24

    21°Lo 10°

    Partial sunshine

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      19°
    more
  • Thu

    Sep 25

    22°Lo 11°

    Partly sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      2%
    • Hi
      RealFeel
      22°
Next Previous
Hi 22° RealFeel® 22° Precipitation 2%

Day

N

E

S

W

  • SSW 8 km/h
  • Gusts: 22 km/h

Partly sunny

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 11° RealFeel® 10° Precipitation 3%

Night

N

E

S

W

  • S 8 km/h
  • Gusts: 21 km/h

Increasing clouds

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

Temperature History - Sep 25

more Historical Weather Data >
  Today Normal Record 9/25/2013
High 22° 17° 29° (2007) 21°
Low 11° -2° (1950)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:53 AM with 12:02 of sunlight, then sets at 6:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:14 AM with 11:18 of moolight, then sets at 7:32 PM

Top Story

Ottawa Weather Report

Widespread Frost, Killing Freeze to Seize Northeast Late This Week

September 16, 2014; 9:15 PM ET

The chilliest air of the season so far will settle over much of the Northeast Thursday into Friday and will bring frost to a large area. more >