Arrowsmith Weather Forecast

    • 34
    • 58

    Increasing Clouds

    • 31
    • 51

    Partly Sunny

    • 37
    • 54

    Mostly Sunny

    • 33
    • 60

    Mostly Sunny

    • 43
    • 62

    Partly Sunny

    • 38
    • 65

    Mostly Sunny

Today 31 Oct McLean

Sunny. Highs in the upper 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 31 Oct McLean

Mostly cloudy. Lows in the upper 30s. West Winds around 10 Mph.

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Arrowsmith Temperature Statistics

October Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (14.9 miles)

  • Lowest 24 October, 2025

    32 °F

  • Average October

    59.3 °F

  • Highest 3 October, 2025

    88 °F

Climate (2020–Present)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (14.9 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    62.3 °F
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