Rock Falls Weather Forecast

    • 63
    • 89

    Mostly Sunny

    • 60
    • 83

    Partly Sunny

    • 62
    • 82

    Partly Sunny

    • 72
    • 90

    Chance Rain Showers

    • 61
    • 88

    Partly Sunny

    • 60
    • 82

    Partly Sunny

Today 5 Sep Whiteside

Sunny. Highs in the upper 80s. Northeast Winds 5 to 10 Mph.

Tonight 5 Sep Whiteside

Mostly clear. Patchy fog after midnight. Humid with Lows in the mid 60s. Northeast Winds 5 to 10 Mph.

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Rock Falls Temperature Statistics

September Temperature

Sterling Rockfalls (2.5 miles)

  • Lowest 3 September, 2026

    71.1 °F

  • Average September

    82.9 °F

  • Highest 2 September, 2026

    96.1 °F

Climate (2021–2026)

Sterling Rockfalls (2.5 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.1 °F
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