Arrowsmith Weather Forecast

    • 53
    • 74

    Becoming Sunny

    • 57
    • 75

    Partly Sunny

    • 60
    • 77

    Partly Sunny

    • 68
    • 83

    Mostly Sunny

    • 71
    • 90

    Partly Sunny

    • 68
    • 89

    Slight Chance Thunderstorms

Today 22 Jul McLean

Mostly sunny. Cooler with Highs in the mid 70s. North Winds 5 to 10 Mph.

Tonight 22 Jul McLean

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Arrowsmith Temperature Statistics

July Temperature

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

  • Lowest 20 July, 2026

    62.1 °F

  • Average July

    78 °F

  • Highest 2 July, 2026

    91 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    62.7 °F
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