• Tue

    Sep 23

    15°Lo 3°

    A couple of showers

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      15°
    • UV
      4 - Moderate
    • Cloud
      Cover
      70%
  • Wed

    Sep 24

    16°Lo 5°

    Plenty of sun

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      18°
    • UV
      4 - Moderate
    • Cloud
      Cover
      8%
    more
  • Thu

    Sep 25

    22°Lo 11°

    Thickening clouds

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      21°
    • UV
      3 - Moderate
    • Cloud
      Cover
      71%
    more
  • Fri

    Sep 26

    16°Lo 12°

    Clouds giving way to some sun

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      16°
    • UV
      3 - Moderate
    • Cloud
      Cover
      76%
    more
  • Sat

    Sep 27

    21°Lo 11°

    Sunshine and patchy clouds

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      20°
    • UV
      4 - Moderate
    • Cloud
      Cover
      29%
    more
Next Previous
Partly cloudy 10° Lo 6° RealFeel® 8° / 6°

N

E

S

W

  • Precipitation: 1%
  • Rain: 0 mm
  • Snow: 0 CM
  • Humidity: 72%
  • Cloud Cover: 53%
  • Dew Point: 3° C
  • Visibility: 7 km
6 km/h

Temperature History - Sep 23

more Historical Weather Data >
  Today Normal Record 9/23/2013
High 15° 18° 29° (1961) 13°
Low -2° (1947)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:51 AM with 12:08 of sunlight, then sets at 6:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:13 AM with 12:22 of moolight, then sets at 6:35 PM

Top Story

Ottawa Weather Report

Cold Snap, Widespread Frost Looms for Northeast

September 18, 2014; 5:00 PM ET

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