Arrowsmith Weather Forecast

    • 28
    • 45

    Rain

    • 35
    • 41

    Mostly Cloudy

    • 34
    • 54

    Mostly Cloudy

    • 26
    • 48

    Mostly Cloudy

    • 31
    • 39

    Mostly Cloudy

    • 35
    • 49

    Rain Likely

Today 31 Jan McLean

Widespread dense fog this morning. Rain. Highs in the mid 40s. Temperature falling into the lower 40s this afternoon. South Winds 5 to 10 Mph, becoming northwest 10 to 15 Mph with Gusts up to 30 Mph this afternoon. Chance of rain near 100 percent.

Tonight 31 Jan McLean

Mostly cloudy in the Evening, then clearing. Cooler with Lows in the upper 20s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arrowsmith Temperature Statistics

January Temperature

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

  • Lowest 21 January, 2025

    -8 °F

  • Average January

    20.9 °F

  • Highest 17 January, 2025

    46 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    61.8 °F
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