Winston Weather Forecast

    • 14
    • 35

    Becoming Sunny

    • 23
    • 35

    Partly Sunny

    • 20
    • 37

    Chance Rain/Snow

    • 14
    • 39

    Snow Likely

    • -2
    • 25

    Snow Likely

    • -5
    • 8

    Chance Snow

    • -5
    • 8

    Chance Snow

Today 29 Jan Canyon Ferry Area

Sunny. Highs 20 to 25. South Winds up to 10 Mph.

Tonight 29 Jan Canyon Ferry Area

Mostly clear. Lows zero to 10 above. Southeast Winds up to 10 Mph.

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Winston Temperature Statistics

January Temperature

Helena Regional Airport (17.4 miles)

  • Lowest 20 January, 2025

    -10.2 °F

  • Average January

    21.6 °F

  • Highest 16 January, 2025

    52.6 °F

Climate (2020–Present)

Helena Regional Airport (17.4 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    59.3 °F
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