Sisseton Weather Forecast

    • 41
    • 69

    Breezy

    • 34
    • 59

    Partly Sunny

    • 33
    • 57

    Mostly Sunny

    • 44
    • 69

    Mostly Cloudy

    • 42
    • 71

    Partly Sunny

    • 47
    • 75

    Partly Sunny

Today 8 May Roberts

Partly sunny and breezy. Highs in the upper 60s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, increasing to northwest 20 to 25 Mph with Gusts up to 35 Mph in the afternoon.

Tonight 8 May Roberts

Mostly cloudy. Lows in the mid 30s. Southwest Winds 5 to 10 Mph.

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Sisseton Temperature Statistics

May Temperature

Sisseton, Sisseton Municipal Airport (2.5 miles)

  • Lowest 1 May, 2026

    28.9 °F

  • Average May

    50 °F

  • Highest 2 May, 2026

    70 °F

Climate (2021–Present)

Sisseton, Sisseton Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    46.6 °F

  • Average High 2021–2026

    57.1 °F
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