Comet Weather Forecast

    • 37
    • 64

    Becoming Sunny

    • 47
    • 72

    Mostly Sunny

    • 45
    • 76

    Chance Rain

    • 38
    • 59

    Chance Thunderstorms

    • 37
    • 60

    Chance Rain

    • 33
    • 53

    Chance Rain/Snow

Today 11 May Elkhorn and Boulder Mountains

Sunny. Highs 62 to 72. Northwest Winds 5 to 15 Mph. Gusts up to 40 Mph increasing to 50 Mph in the afternoon.

Tonight 11 May Elkhorn and Boulder Mountains

Mostly clear. Lows 36 to 42. Northwest Winds 5 to 15 Mph with Gusts to around 50 Mph shifting to the north up to 5 Mph with Gusts to around 20 Mph after midnight.

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Comet Temperature Statistics

May Temperature

Helena Regional Airport (21.7 miles)

  • Lowest 6 May, 2026

    27.6 °F

  • Average May

    53.7 °F

  • Highest 3 May, 2026

    76.6 °F

Climate (2021–Present)

Helena Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    60.1 °F
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