Gillette Weather Forecast

    • 57
    • 78

    Rain Showers Likely

    • 59
    • 83

    Chance Thunderstorms

    • 57
    • 87

    Mostly Sunny

    • 59
    • 92

    Mostly Sunny

    • 61
    • 92

    Mostly Sunny

    • 61
    • 90

    Mostly Sunny

Today 23 Jul Northern Campbell

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s. North Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon. Chance of rain 50 percent.

Tonight 23 Jul Northern Campbell

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 50s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Gillette Temperature Statistics

July Temperature

Gillette, Gillette-Campbell County Airport (3.7 miles)

  • Lowest 12 July, 2025

    46.7 °F

  • Average July

    73.3 °F

  • Highest 14 July, 2025

    98.7 °F

Climate (2020–Present)

Gillette, Gillette-Campbell County Airport (3.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    34.7 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    60.6 °F
Get WillyWeather+ to remove ads