Beloit Weather Forecast

    • 39
    • 67

    Increasing Clouds

    • 46
    • 74

    Partly Sunny

    • 38
    • 68

    Mostly Cloudy

    • 39
    • 67

    Partly Sunny

    • 50
    • 76

    Slight Chance Thunderstorms

    • 48
    • 79

    Partly Sunny

Today 7 May Lyon

Areas of frost this morning. Sunny, warmer with Highs in the mid 60s. East Winds 5 to 10 Mph, becoming northwest this afternoon.

Tonight 7 May Lyon

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the upper 30s. Northwest Winds 5 to 10 Mph, becoming east after midnight.

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Beloit Temperature Statistics

May Temperature

Sioux Falls, Foss Field (21.7 miles)

  • Lowest 2 May, 2026

    30.7 °F

  • Average May

    49.8 °F

  • Highest 3 May, 2026

    72.6 °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

    61 °F
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