Arrowsmith Weather Forecast

    • 60
    • 74

    Rain Showers

    • 35
    • 64

    Chance Rain Showers

    • 46
    • 62

    Sunny

    • 54
    • 72

    Partly Sunny

    • 48
    • 73

    Rain Showers

    • 29
    • 61

    Chance Rain Showers

Today 6 Mar McLean

Patchy fog in the morning. Mostly cloudy with Showers likely with a chance of Thunderstorms in the Morning, then partly sunny with a slight chance of Showers and Thunderstorms in the afternoon. Breezy and not as cool. More humid with Highs in the mid 70s. South Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

Tonight 6 Mar McLean

Partly cloudy in the Evening, then Showers with a chance of Thunderstorms after midnight. Breezy and not as cool with Lows in the upper 50s. South Winds 15 to 25 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arrowsmith Temperature Statistics

March Temperature

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

  • Lowest 1 March, 2026

    21 °F

  • Average March

    35.5 °F

  • Highest 2 March, 2026

    46 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    62.5 °F
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