Starved Rock State Park Weather Forecast

    • 57
    • 75

    Mostly Sunny

    • 54
    • 75

    Rain Showers Likely

    • 61
    • 76

    Rain Showers

    • 55
    • 73

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

    • 60
    • 77

    Partly Sunny

Today 15 Jun La Salle

Mostly sunny late in the Morning, then becoming partly cloudy. Highs in the mid 70s. West Winds around 10 Mph.

Tonight 15 Jun La Salle

Partly cloudy in the evening then clearing. Lows in the upper 50s. Southwest Winds 5 to 10 Mph.

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Starved Rock State Park Temperature Statistics

June Temperature

Illinois Valley Regional Airport (7.5 miles)

  • Lowest 3 June, 2026

    51.8 °F

  • Average June

    73.8 °F

  • Highest 6 June, 2026

    91.4 °F

Climate (2021–Present)

Illinois Valley Regional Airport (7.5 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    62.6 °F
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