Jefferson City Weather Forecast

    • 32
    • 57

    Increasing Clouds

    • 39
    • 63

    Mostly Cloudy

    • 42
    • 63

    Chance Rain

    • 30
    • 60

    Chance Rain

    • 26
    • 49

    Partly Sunny

    • 29
    • 55

    Partly Sunny

Today 22 Mar Elkhorn and Boulder Mountains

Sunny. Highs 46 to 56. West Winds 5 to 15 Mph with Gusts to around 35 Mph.

Tonight 22 Mar Elkhorn and Boulder Mountains

Partly cloudy in the evening then becoming mostly cloudy. Lows 29 to 35. West Winds up to 10 Mph. Gusts up to 35 Mph decreasing to 20 Mph after midnight.

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  • Temperature Real-Time

Jefferson City Temperature Statistics

March Temperature

Helena Regional Airport (14.9 miles)

  • Lowest 15 March, 2026

    4.6 °F

  • Average March

    39.6 °F

  • Highest 19 March, 2026

    73 °F

Climate (2021–Present)

Helena Regional Airport (14.9 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    59.9 °F
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