Fairfield Weather Forecast

    • 59
    • 82

    Slight Chance Rain Showers

    • 59
    • 83

    Partly Sunny

    • 61
    • 89

    Chance Rain Showers

    • 61
    • 93

    Slight Chance Thunderstorms

    • 62
    • 94

    Hot

    • 59
    • 93

    Mostly Sunny

    • 58
    • 92

    Mostly Sunny

Today 20 Jul Eastern Pondera and Eastern Teton

Partly sunny. Patchy smoke through the day. Highs in the lower 80s. North Winds 5 to 10 Mph.

Tonight 20 Jul Eastern Pondera and Eastern Teton

Mostly cloudy. Patchy smoke early in the evening. A 20 percent chance of rain Showers after midnight. Lows in the upper 50s. Northeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairfield Temperature Statistics

July Temperature

Great Falls, Great Falls International Airport (29.2 miles)

  • Lowest 6 July, 2026

    44.7 °F

  • Average July

    70.6 °F

  • Highest 11 July, 2026

    97.6 °F

Climate (2021–2026)

Great Falls, Great Falls International Airport (29.2 miles)

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  • Average Low 2021–2026

    34.3 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    59 °F
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