• Wed

    Aug 3

    88°Lo 65°

    Humid with partial sunshine

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      101°
    • UV
      5 - High
    • Cloud
      Cover
      48%
    more
  • Thu

    Aug 4

    93°Lo 65°

    Rather cloudy, warm and muggy

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      104°
    • UV
      5 - High
    • Cloud
      Cover
      70%
  • Fri

    Aug 5

    88°Lo 63°

    Humid with clouds and sun

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      98°
    • UV
      4 - Moderate
    • Cloud
      Cover
      66%
    more
  • Sat

    Aug 6

    83°Lo 61°

    A thunderstorm possible

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      86°
    • UV
      4 - Moderate
    • Cloud
      Cover
      64%
    more
  • Sun

    Aug 7

    88°Lo 64°

    Partly sunny, warm and muggy

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      96°
    • UV
      5 - High
    • Cloud
      Cover
      40%
    more
Next Previous
Hi 93° RealFeel® 104° Precipitation 25%

Day

N

E

S

W

  • W 9 mph
  • Gusts: 29 mph

Rather cloudy, warm and muggy

  • Max UV Index: 6 (High)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 65° RealFeel® 63° Precipitation 91%

Night

N

E

S

W

  • NW 2 mph
  • Gusts: 13 mph

Humid; a couple of thunderstorms around in the evening followed by rain and a thunderstorm late

  • Max UV Index: N/A
  • Thunderstorms: 70%
  • Precipitation: 0.49 in
  • Rain: 0.49 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 7 hrs
  • Hours of Rain: 7 hrs

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2015
High 93° 83° 103° (1947) 81°
Low 65° 64° 46° (1912) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:54 AM with 14:14 of sunlight, then sets at 8:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:46 AM with 13:25 of moolight, then sets at 9:11 PM

Ottawa Weather Report

By the numbers: Recapping the week's stifling central US heat

July 24, 2016; 8:33 AM ET

Stifling heat has been baking the central United States but will finally ease across northern areas this weekend. more >