Arrastra Mountain Weather Forecast

    • 39
    • 55

    Mostly Sunny

    • 40
    • 59

    Mostly Sunny

    • 42
    • 61

    Mostly Sunny

    • 38
    • 57

    Partly Sunny

    • 35
    • 48

    Chance Rain Showers

    • 39
    • 54

    Chance Rain/Snow

    • 40
    • 56

    Chance Rain

Today 10 May Butte/Blackfoot Region

Mostly sunny. Widespread frost early in the morning. Highs in the 60s to lower 70s.

Tonight 10 May Butte/Blackfoot Region

Mostly clear. Areas of frost late in the night. Lows in the upper 30s to mid 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arrastra Mountain Temperature Statistics

May Temperature

Helena Regional Airport (51 miles)

  • Lowest 4 May, 2024

    29.8 °F

  • Average May

    45.7 °F

  • Highest 4 May, 2024

    66.7 °F

Climate (2019–Present)

Helena Regional Airport (51 miles)

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  • Average Low 2019–2024

    35.9 °F

  • Average 2019–2024

    46.9 °F

  • Average High 2019–2024

    58.4 °F
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