Gillette-Campbell County Airport Weather Forecast

    • 49
    • 79

    Chance Rain Showers

    • 37
    • 71

    Mostly Sunny

    • 45
    • 72

    Partly Sunny

    • 41
    • 75

    Partly Sunny

Today 13 Sep Northern Campbell

Partly cloudy this Morning, then clearing. Breezy with Highs around 80. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph, increasing to 15 to 25 Mph with Gusts up to 35 Mph this afternoon.

Tonight 13 Sep Northern Campbell

Partly cloudy in the Evening, then clearing. A chance of Showers and Thunderstorms. Breezy with Lows in the lower 50s. South Winds 20 to 30 Mph with Gusts up to 45 Mph. Chance of rain 50 percent.

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Gillette-Campbell County Airport Temperature Statistics

September Temperature

Gillette, Gillette-Campbell County Airport (0.6 miles)

  • Lowest 9 September, 2026

    44.7 °F

  • Average September

    70.3 °F

  • Highest 6 September, 2026

    97.6 °F

Climate (2021–2026)

Gillette, Gillette-Campbell County Airport (0.6 miles)

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  • Average Low 2021–2026

    35 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    61.6 °F
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