Custer Weather Forecast

    • 29
    • 49

    Increasing Clouds

    • 43
    • 67

    Partly Sunny

    • 30
    • 59

    Chance Rain Showers

    • 33
    • 55

    Mostly Cloudy

    • 34
    • 62

    Slight Chance Rain Showers

    • 39
    • 60

    Mostly Cloudy

Today 31 Oct Northeastern Yellowstone

Sunny. Highs around 50. Light and variable Winds.

Tonight 31 Oct Northeastern Yellowstone

Partly cloudy. Lows around 30. South Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Custer Temperature Statistics

October Temperature

Billings, Billings Logan International Airport (52.2 miles)

  • Lowest 28 October, 2025

    28 °F

  • Average October

    49.6 °F

  • Highest 1 October, 2025

    77 °F

Climate (2020–Present)

Billings, Billings Logan International Airport (52.2 miles)

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

  • Average Low 2020–2025

    38.7 °F

  • Average 2020–2025

    49.4 °F

  • Average High 2020–2025

    60.6 °F
Get WillyWeather+ to remove ads