Beloit Weather Forecast

    • 39
    • 87

    Breezy

    • 29
    • 51

    Partly Sunny

    • 39
    • 56

    Mostly Cloudy

    • 43
    • 63

    Mostly Cloudy

    • 45
    • 73

    Mostly Cloudy

    • 27
    • 59

    Breezy

Today 21 Mar Lyon

Sunny. Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 21 Mar Lyon

Partly cloudy in the Evening, then becoming mostly cloudy. Windy with Lows in the upper 30s. Northeast Winds 15 to 20 Mph with Gusts up to 35 Mph, becoming north 20 to 30 Mph with Gusts up to 45 Mph after midnight.

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Beloit Temperature Statistics

March Temperature

Sioux Falls, Foss Field (21.7 miles)

  • Lowest 16 March, 2026

    1.7 °F

  • Average March

    35.2 °F

  • Highest 19 March, 2026

    73.9 °F

Climate (2021–Present)

Sioux Falls, Foss Field (21.7 miles)

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  • Average Low 2021–2026

    38.8 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    60.9 °F
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