Big Timber Weather Forecast

    • 64
    • 78

    Partly Sunny

    • 63
    • 83

    Chance Thunderstorms

    • 61
    • 81

    Mostly Sunny

    • 61
    • 81

    Partly Sunny

    • 66
    • 81

    Slight Chance Thunderstorms

    • 71
    • 86

    Chance Rain Showers

Today 25 Aug Northern Will

Partly cloudy. Patchy fog early in the morning. Highs in the upper 70s. South Winds around 5 Mph.

Tonight 25 Aug Northern Will

Mostly cloudy. A slight chance of Showers late. Lows in the lower 60s. South Winds around 5 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Timber Temperature Statistics

August Temperature

Joliet Regional Airport (1.2 miles)

  • Lowest 21 August, 2026

    57.6 °F

  • Average August

    74.6 °F

  • Highest 10 August, 2026

    89.4 °F

Climate (2021–2026)

Joliet Regional Airport (1.2 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.4 °F
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