Sourdough Weather Forecast

    • 32
    • 45

    Mostly Cloudy

    • 36
    • 47

    Rain Showers

    • 36
    • 48

    Rain Showers

    • 32
    • 54

    Chance Rain Showers

    • 36
    • 54

    Partly Sunny

    • 36
    • 62

    Chance Rain Showers

Today 14 Oct Northern Sweet Grass

Decreasing Clouds. Warmer. Areas of fog in the morning. Patchy fog in the afternoon. Slight chance of rain and snow in the Morning, then chance of Sprinkles in the afternoon. Highs in the upper 40s. East Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 14 Oct Northern Sweet Grass

Mostly cloudy with a 50 percent chance of rain. Patchy fog in the evening. Areas of fog overnight. Lows in the lower 30s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sourdough Temperature Statistics

October Temperature

Livingston, Mission Field Airport (33.6 miles)

  • Lowest 6 October, 2025

    28.9 °F

  • Average October

    50.8 °F

  • Highest 10 October, 2025

    75 °F

Climate (2020–Present)

Livingston, Mission Field Airport (33.6 miles)

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  • Average Low 2020–2025

    34.4 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    59.5 °F
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