Great Falls Weather Forecast

    • 67
    • 89

    Rain Showers Likely

    • 60
    • 87

    Mostly Sunny

    • 63
    • 87

    Mostly Sunny

    • 65
    • 89

    Chance Rain Showers

    • 62
    • 85

    Chance Rain Showers

    • 62
    • 85

    Slight Chance Thunderstorms

Today 6 Jun Chester

Partly sunny this Morning, then mostly sunny with Showers likely with a chance of Thunderstorms this afternoon. Highs in the upper 80s. Southwest Winds 10 to 15 Mph. Chance of rain 60 percent.

Tonight 6 Jun Chester

Mostly clear. A chance of Showers and Thunderstorms in the evening. Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls Temperature Statistics

June Temperature

Lancaster County-mc Whirter Field (10.6 miles)

  • Lowest 1 June, 2024

    48.2 °F

  • Average June

    70.4 °F

  • Highest 3 June, 2024

    84.2 °F

Climate (2019–Present)

Lancaster County-mc Whirter Field (10.6 miles)

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  • Average Low 2019–2024

    52.1 °F

  • Average 2019–2024

    62.4 °F

  • Average High 2019–2024

    73.8 °F
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