Big Timber Weather Forecast

    • 71
    • 87

    Slight Chance Rain Showers

    • 65
    • 85

    Rain Showers

    • 56
    • 82

    Mostly Sunny

    • 63
    • 83

    Partly Sunny

    • 63
    • 85

    Chance Rain Showers

    • 64
    • 83

    Chance Rain Showers

Today 8 Sep Northern Will

Partly cloudy. Highs in the mid 80s. South Winds 5 to 10 Mph.

Tonight 8 Sep Northern Will

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers late. Lows around 70. South Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Timber Temperature Statistics

September Temperature

Joliet Regional Airport (1.2 miles)

  • Lowest 6 September, 2026

    67.8 °F

  • Average September

    81.7 °F

  • Highest 2 September, 2026

    95.9 °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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