Harlowton Weather Forecast

    • 8
    • 25

    Increasing Clouds

    • 18
    • 30

    Partly Sunny

    • 36
    • 51

    Mostly Cloudy

    • 30
    • 52

    Chance Rain/Snow

    • 30
    • 42

    Windy

    • 33
    • 49

    Windy

Today 21 Feb Southern Wheatland

Mostly sunny. Patchy fog in the morning. Highs in the mid 20s. North Winds 5 to 10 Mph in the morning shifting to the east in the afternoon.

Tonight 21 Feb Southern Wheatland

Mostly cloudy. Lows around 8. Northeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Harlowton Temperature Statistics

February Temperature

Lewistown, Lewistown Municipal Airport (45.4 miles)

  • Lowest 18 February, 2026

    -7.1 °F

  • Average February

    34.6 °F

  • Highest 6 February, 2026

    68.6 °F

Climate (2021–Present)

Lewistown, Lewistown Municipal Airport (45.4 miles)

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  • Average Low 2021–2026

    32.7 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    57 °F
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