Gillette Weather Forecast

    • 54
    • 82

    Areas Smoke

    • 57
    • 84

    Partly Sunny

    • 59
    • 87

    Partly Sunny

    • 54
    • 86

    Mostly Cloudy

    • 53
    • 77

    Chance Rain Showers

    • 49
    • 69

    Chance Rain Showers

Today 8 Sep Northern Campbell

Mostly sunny. Areas of smoke. Highs in the mid 80s. Northwest Winds 10 to 15 Mph.

Tonight 8 Sep Northern Campbell

Partly cloudy in the Evening, then clearing. Areas of smoke. Lows in the lower 50s. Northeast Winds 5 to 10 Mph, becoming south after midnight.

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Gillette Temperature Statistics

September Temperature

Gillette, Gillette-Campbell County Airport (3.7 miles)

  • Lowest 6 September, 2025

    37.9 °F

  • Average September

    63.5 °F

  • Highest 2 September, 2025

    88 °F

Climate (2020–Present)

Gillette, Gillette-Campbell County Airport (3.7 miles)

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  • Average Low 2020–2025

    34.7 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    60.6 °F
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