Gillette Weather Forecast

    • 28
    • 50

    Chance Rain Showers

    • 28
    • 53

    Partly Sunny

    • 29
    • 53

    Partly Sunny

    • 36
    • 62

    Mostly Sunny

    • 39
    • 67

    Mostly Cloudy

    • 40
    • 65

    Mostly Cloudy

Today 28 Apr Northern Campbell

Mostly cloudy this Morning, then partly cloudy with a chance of rain Showers with a slight chance of Thunderstorms this afternoon. Not as cool with Highs in the lower 50s. West Winds 5 to 10 Mph. Gusts up to 25 Mph this afternoon. Chance of rain 30 percent.

Tonight 28 Apr Northern Campbell

Partly cloudy. Lows in the upper 20s. West Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gillette Temperature Statistics

April Temperature

Gillette, Gillette-Campbell County Airport (3.7 miles)

  • Lowest 17 April, 2026

    22.6 °F

  • Average April

    44.6 °F

  • Highest 11 April, 2026

    78.7 °F

Climate (2021–Present)

Gillette, Gillette-Campbell County Airport (3.7 miles)

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  • Average Low 2021–2026

    35.1 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    61.6 °F
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