Lewistown Weather Forecast

    • 43
    • 69

    Decreasing Clouds

    • 52
    • 78

    Chance Rain

    • 46
    • 75

    Chance Thunderstorms

    • 40
    • 63

    Chance Rain

    • 37
    • 55

    Rain Likely

    • 37
    • 52

    Rain Showers

Today 25 May Fergus

Breezy. Mostly cloudy. Highs 65 to 75. West Winds 10 to 15 Mph increasing to 15 to 25 Mph in the afternoon.

Tonight 25 May Fergus

Mostly cloudy in the evening then becoming partly cloudy. Lows 45 to 50. West Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewistown Temperature Statistics

May Temperature

Lewistown, Lewistown Municipal Airport (1.2 miles)

  • Lowest 11 May, 2022

    28 °F

  • Average May

    47.1 °F

  • Highest 5 May, 2022

    75 °F

Climate (2010–Present)

Lewistown, Lewistown Municipal Airport (1.2 miles)

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  • Average Low 2010–Present

    31.2 °F

  • Average 2010–Present

    42.6 °F

  • Average High 2010–Present

    53.8 °F
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