Big Rainbow Lake Weather Forecast

    • 36
    • 60

    Becoming Sunny

    • 37
    • 56

    Sunny

    • 41
    • 61

    Sunny

    • 39
    • 64

    Mostly Sunny

    • 30
    • 56

    Mostly Sunny

    • 23
    • 41

    Chance Snow Showers

Today 16 Jun Boise Mountains

Partly cloudy. A slight chance of rain Showers and Thunderstorms this afternoon. Chance of rain 20 percent. Highs 73 to 88.

Tonight 16 Jun Boise Mountains

Mostly cloudy with a slight chance of rain Showers in the Evening, then mostly clear after midnight. Chance of rain 20 percent. Lows 39 to 54.

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  • Temperature Forecast NOAA

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Big Rainbow Lake Temperature Statistics

June Temperature

Boise Air Terminal (41 miles)

  • Lowest 4 June, 2025

    45.6 °F

  • Average June

    72.4 °F

  • Highest 9 June, 2025

    96.7 °F

Climate (2020–Present)

Boise Air Terminal (41 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    54.4 °F

  • Average High 2020–2025

    65.7 °F
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