Ottawa Weather Forecast

    • 74
    • 93

    Partly Sunny

    • 72
    • 93

    Thunderstorms Likely

    • 70
    • 90

    Chance Thunderstorms

    • 69
    • 91

    Chance Thunderstorms

    • 66
    • 87

    Chance Thunderstorms

    • 67
    • 89

    Mostly Sunny

Today 8 Jul La Salle

Mostly sunny in the morning then becoming partly cloudy. Highs in the lower 90s. South Winds 5 to 10 Mph.

Tonight 8 Jul La Salle

Mostly clear. Lows in the lower 70s. South Winds around 5 Mph.

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Ottawa Temperature Statistics

July Temperature

Illinois Valley Regional Airport (15.5 miles)

  • Lowest 4 July, 2020

    67.3 °F
  • Average July

    80.1 °F
  • Highest 5 July, 2020

    91.4 °F

Climate (2010–Present)

Illinois Valley Regional Airport (15.5 miles)

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  • Average Low 2010–Present

    42 °F
  • Average 2010–Present

    51 °F
  • Average High 2010–Present

    59.9 °F
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