Collister Weather Forecast

    • 41
    • 56

    Increasing Clouds

    • 47
    • 66

    Partly Sunny

    • 37
    • 58

    Partly Sunny

    • 47
    • 61

    Mostly Cloudy

    • 49
    • 60

    Mostly Cloudy

    • 44
    • 64

    Chance Rain Showers

Today 31 Oct Upper Treasure Valley

Areas of fog this morning. Sunny. Highs 55 to 60. Light Winds.

Tonight 31 Oct Upper Treasure Valley

Mostly cloudy. Lows 34 to 42. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Collister Temperature Statistics

October Temperature

Boise Air Terminal (7.5 miles)

  • Lowest 28 October, 2025

    33.1 °F

  • Average October

    52.7 °F

  • Highest 10 October, 2025

    84 °F

Climate (2020–Present)

Boise Air Terminal (7.5 miles)

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  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    65.7 °F
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