Helena West Side Weather Forecast

    • 41
    • 50

    Slight Chance Rain

    • 44
    • 58

    Mostly Cloudy

    • 44
    • 63

    Breezy

    • 49
    • 69

    Partly Sunny

    • 45
    • 71

    Partly Sunny

    • 33
    • 61

    Slight Chance Rain

    • 32
    • 55

    Mostly Sunny

Today 16 Mar Helena Valley

Not as cool. Mostly cloudy with a 50 percent chance of rain. Highs around 50. Southwest Winds 10 to 15 Mph with Gusts to around 40 Mph.

Tonight 16 Mar Helena Valley

Not as cool. Mostly cloudy. Chance of rain early in the Evening, then slight chance of rain late in the evening. Lows in the upper 30s. Southwest Winds 10 to 15 Mph with Gusts to around 35 Mph. Chance of rain 40 percent.

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Helena West Side Temperature Statistics

March Temperature

Helena Regional Airport (5.6 miles)

  • Lowest 14 March, 2026

    12.9 °F
  • Average March

    39.1 °F
  • Highest 3 March, 2026

    61.6 °F

Climate (2021–Present)

Helena Regional Airport (5.6 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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