Fairfield Weather Forecast

    • 40
    • 68

    Increasing Clouds

    • 41
    • 74

    Partly Sunny

    • 44
    • 78

    Partly Sunny

    • 30
    • 65

    Rain

    • 26
    • 43

    Chance Snow

    • 22
    • 41

    Chance Snow

    • 21
    • 44

    Partly Sunny

Today 19 Apr Eastern Pondera and Eastern Teton

Sunny. Highs in the upper 60s. Southwest Winds 5 to 15 Mph.

Tonight 19 Apr Eastern Pondera and Eastern Teton

Partly cloudy. Lows in the upper 30s. West Winds up to 10 Mph.

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Fairfield Temperature Statistics

April Temperature

Great Falls, Great Falls International Airport (29.2 miles)

  • Lowest 17 April, 2026

    19 °F

  • Average April

    42.5 °F

  • Highest 11 April, 2026

    71.7 °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 °F

  • Average High 2021–2026

    59.1 °F
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