Harlowton Weather Forecast

    • 38
    • 66

    Increasing Clouds

    • 35
    • 64

    Mostly Sunny

    • 38
    • 62

    Mostly Sunny

    • 42
    • 69

    Rain Showers

    • 29
    • 51

    Rain Showers Likely

    • 26
    • 45

    Partly Sunny

Today 19 Oct Southern Wheatland

Sunny. Highs in the upper 60s. West Winds 5 to 10 Mph in the morning shifting to the southeast in the afternoon.

Tonight 19 Oct Southern Wheatland

Partly cloudy. Lows in the upper 30s. East Winds 5 to 10 Mph in the evening shifting to the west 5 to 15 Mph overnight.

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Harlowton Temperature Statistics

October Temperature

Lewistown, Lewistown Municipal Airport (45.4 miles)

  • Lowest 4 October, 2026

    38.6 °F

  • Average October

    58.3 °F

  • Highest 5 October, 2026

    84.7 °F

Climate (2021–2026)

Lewistown, Lewistown Municipal Airport (45.4 miles)

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  • Average Low 2021–2026

    32.6 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    57 °F
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