Lewistown Weather Forecast

    • 52
    • 83

    Sunny

    • 58
    • 91

    Mostly Sunny

    • 62
    • 95

    Slight Chance Thunderstorms

    • 59
    • 91

    Partly Sunny

    • 56
    • 88

    Chance Thunderstorms

    • 54
    • 84

    Partly Sunny

Today 15 Aug Fergus

Sunny. Highs 80 to 90. Northwest Winds 5 to 15 Mph.

Tonight 15 Aug Fergus

Clear. Lows in the mid 50s. North Winds 5 to 10 Mph shifting to the southeast after midnight.

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Lewistown Temperature Statistics

August Temperature

Lewistown, Lewistown Municipal Airport (1.2 miles)

  • Lowest 8 August, 2020

    43 °F
  • Average August

    68.8 °F
  • Highest 6 August, 2020

    91.9 °F

Climate (2010–Present)

Lewistown, Lewistown Municipal Airport (1.2 miles)

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  • Average Low 2010–Present

    32 °F
  • Average 2010–Present

    43.3 °F
  • Average High 2010–Present

    54.3 °F
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