Augusta Airport Weather Forecast

    • 50
    • 72

    Rain Showers Likely

    • 51
    • 70

    Rain Showers Likely

    • 53
    • 68

    Rain Showers

    • 49
    • 64

    Rain Showers Likely

    • 46
    • 67

    Partly Sunny

    • 50
    • 72

    Partly Sunny

    • 52
    • 76

    Partly Sunny

Today 4 Sep Southern High Plains

Mostly sunny. A 20 percent chance of rain Showers early in the afternoon. Highs around 70. Southwest Winds 5 to 10 Mph.

Tonight 4 Sep Southern High Plains

Mostly cloudy. Slight chance of Thunderstorms in the evening. Chance of rain Showers until early Morning, then rain Showers likely late in the night. Lows in the upper 40s. Northwest Winds up to 10 Mph. Chance of precipitation 70 percent.

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Augusta Airport Temperature Statistics

September Temperature

Great Falls, Great Falls International Airport (46.6 miles)

  • Lowest 1 September, 2026

    46.7 °F

  • Average September

    66.1 °F

  • Highest 1 September, 2026

    86.6 °F

Climate (2021–2026)

Great Falls, Great Falls International Airport (46.6 miles)

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  • Average Low 2021–2026

    34.3 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    59.1 °F
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