Fairfield Weather Forecast

    • 42
    • 71

    Mostly Sunny

    • 46
    • 77

    Partly Sunny

    • 44
    • 70

    Chance Rain Showers

    • 38
    • 61

    Chance Rain Showers

    • 44
    • 68

    Mostly Cloudy

    • 44
    • 69

    Chance Rain

    • 44
    • 64

    Rain Showers Likely

Today 4 Jun Eastern Pondera and Eastern Teton

Mostly sunny. A 20 percent chance of Showers early in the afternoon. Highs in the lower 70s. West Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 4 Jun Eastern Pondera and Eastern Teton

Mostly clear. Lows in the lower 40s. West Winds up to 15 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairfield Temperature Statistics

June Temperature

Great Falls, Great Falls International Airport (29.2 miles)

  • Lowest 1 June, 2026

    40.6 °F

  • Average June

    47.1 °F

  • Highest 2 June, 2026

    54 °F

Climate (2021–Present)

Great Falls, Great Falls International Airport (29.2 miles)

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  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    59.2 °F
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