Winston Weather Forecast

    • 44
    • 64

    Mostly Cloudy

    • 40
    • 65

    Rain Showers

    • 37
    • 50

    Rain Likely

    • 37
    • 46

    Rain/Snow

    • 37
    • 46

    Rain

    • 37
    • 51

    Rain Likely

    • 39
    • 64

    Mostly Sunny

Today 4 May Canyon Ferry Area

Warmer. Partly cloudy in the morning then becoming mostly cloudy. Highs in the mid 60s. South Winds 5 to 15 Mph.

Tonight 4 May Canyon Ferry Area

Mostly cloudy. Lows 40 to 45. Southeast Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winston Temperature Statistics

May Temperature

Helena Regional Airport (17.4 miles)

  • Lowest 1 May, 2024

    32 °F

  • Average May

    41.4 °F

  • Highest 1 May, 2024

    48.9 °F

Climate (2019–Present)

Helena Regional Airport (17.4 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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