Arnold Weather Forecast

    • 33
    • 47

    Mostly Cloudy

    • 42
    • 54

    Rain Showers

    • 17
    • 47

    Rain Showers

    • 20
    • 34

    Slight Chance Snow

    • 28
    • 45

    Mostly Cloudy

    • 23
    • 42

    Chance Snow

Today 13 Mar Carlton/South St. Louis

Mostly cloudy this Morning, then becoming partly sunny. Patchy dense fog this morning. Highs in the mid 50s. East Winds 5 to 10 Mph.

Tonight 13 Mar Carlton/South St. Louis

Mostly cloudy. Not as cool with Lows in the upper 30s. East Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arnold Temperature Statistics

March Temperature

Duluth International Airport (5 miles)

  • Lowest 1 March, 2025

    2.8 °F

  • Average March

    29.6 °F

  • Highest 10 March, 2025

    61 °F

Climate (2020–Present)

Duluth International Airport (5 miles)

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  • Average Low 2020–2025

    33.6 °F

  • Average 2020–2025

    42.3 °F

  • Average High 2020–2025

    51 °F
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