Fairfield Weather Forecast

    • 31
    • 46

    Chance Snow

    • 36
    • 56

    Chance Rain

    • 30
    • 55

    Chance Rain

    • 41
    • 56

    Chance Rain

    • 37
    • 60

    Chance Rain

    • 30
    • 51

    Chance Rain

Today 15 Oct Eastern Pondera and Eastern Teton

Areas of fog in the morning. Mostly cloudy with a 20 percent chance of rain. Highs 45 to 50. East Winds up to 5 Mph.

Tonight 15 Oct Eastern Pondera and Eastern Teton

Mostly cloudy. Chance of rain in the Evening, then chance of rain and snow after midnight. Lows around 30. Northwest Winds up to 10 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairfield Temperature Statistics

October Temperature

Great Falls, Great Falls International Airport (29.2 miles)

  • Lowest 12 October, 2025

    28 °F

  • Average October

    50.7 °F

  • Highest 10 October, 2025

    78.1 °F

Climate (2020–Present)

Great Falls, Great Falls International Airport (29.2 miles)

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  • Average Low 2020–2025

    34 °F

  • Average 2020–2025

    46.4 °F

  • Average High 2020–2025

    58.3 °F
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