Ottawa Weather Forecast

    • 39
    • 53

    Slight Chance Rain

    • 37
    • 60

    Mostly Sunny

    • 47
    • 63

    Partly Sunny

    • 36
    • 63

    Mostly Sunny

    • 48
    • 60

    Chance Rain

    • 42
    • 61

    Slight Chance Rain

Today 2 Nov La Salle

Partly cloudy in the Morning, then becoming mostly sunny. Areas of dense fog early in the morning. Highs in the lower 50s. Southwest Winds around 5 Mph, increasing to 10 to 15 Mph in the afternoon.

Tonight 2 Nov La Salle

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 30s. Southwest Winds 5 to 10 Mph, increasing to 10 to 15 Mph after midnight.

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Ottawa Temperature Statistics

November Temperature

Illinois Valley Regional Airport (15.5 miles)

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Climate (2020–Present)

Illinois Valley Regional Airport (15.5 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    62.3 °F
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