• Today

    Sep 19

    13°Lo 6°

    Mostly sunny and cool

    Beneficial weather for arthritis pain
    • Rain
      0 mm
    • Hours of Precip
      0
    • UV
      4 - Moderate
    more
  • Sat

    Sep 20

    21°Lo 14°

    Showers around in the p.m.

    At Risk weather for arthritis pain
    • Rain
      24 mm
    • Hours of Precip
      3
    • UV
      3 - Moderate
  • Sun

    Sep 21

    21°Lo 6°

    Breezy with periods of rain

    At High Risk weather for arthritis pain
    • Rain
      10 mm
    • Hours of Precip
      6
    • UV
      2 - Low
    more
  • Mon

    Sep 22

    13°Lo 6°

    Partly sunny and cooler

    At Risk weather for arthritis pain
    • Rain
      0 mm
    • Hours of Precip
      0
    • UV
      3 - Moderate
    more
  • Tue

    Sep 23

    16°Lo 5°

    A couple of showers

    Beneficial weather for arthritis pain
    • Rain
      2 mm
    • Hours of Precip
      2
    • UV
      4 - Moderate
    more
Next Previous
Warmer 19° Lo 14° RealFeel® 18° / 11°

N

E

S

W

  • Precipitation: 25%
  • Rain: 0 mm
  • Snow: 0 CM
  • Humidity: 78%
  • Cloud Cover: 45%
  • Dew Point: 13° C
  • Visibility: 10 km
19 km/h

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 21° 18° 31° (1983) 26°
Low 14° (1979)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:47 AM with 12:18 of sunlight, then sets at 7:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:17 AM with 13:56 of moolight, then sets at 5:13 PM

Top Story

Ottawa Weather Report

Cold Snap, Widespread Frost Looms for Northeast

September 19, 2014; 4:57 AM 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 >