Mandan Weather Forecast

    • 18
    • 26

    Chance Snow Showers

    • 22
    • 32

    Chance Snow Showers

    • 18
    • 34

    Slight Chance Snow Showers

    • 22
    • 29

    Rain/Snow Likely

    • 15
    • 35

    Slight Chance Snow Showers

    • 18
    • 27

    Mostly Cloudy

Today 22 Mar Keweenaw

Mostly cloudy. North Winds 5 to 15 Mph with Gusts up to 25 Mph.

Tonight 22 Mar Keweenaw

Partly cloudy in the Evening, then mostly cloudy with a slight chance of snow Showers after midnight. Near steady temperature around 20. Light north Winds, becoming northwest 5 to 10 Mph with Gusts up to 20 Mph after midnight. Chance of snow 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mandan Temperature Statistics

March Temperature

Copper Harbor (6.8 miles)

  • Lowest 1 March, 2026

    1 °F

  • Average March

    28 °F

  • Highest 9 March, 2026

    51.1 °F

Climate (2021–Present)

Copper Harbor (6.8 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    44.7 °F

  • Average High 2021–2026

    50.9 °F
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