Big Trinity Lake Weather Forecast

    • 38
    • 64

    Mostly Cloudy

    • 42
    • 58

    Rain Showers

    • 33
    • 49

    Rain Showers

    • 40
    • 58

    Mostly Sunny

    • 44
    • 69

    Mostly Sunny

    • 48
    • 75

    Partly Sunny

Today 1 Jun Boise Mountains

Partly cloudy. A slight chance of rain Showers this afternoon. Chance of rain 20 percent. Highs 66 to 81.

Tonight 1 Jun Boise Mountains

Mostly cloudy with a slight chance of rain Showers this Evening, then partly cloudy after midnight. Chance of rain 20 percent. Lows 36 to 51.

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  • Temperature Forecast NOAA

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Big Trinity Lake Temperature Statistics

June Temperature

Boise Air Terminal (40.4 miles)

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  • Average June

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Climate (2019–Present)

Boise Air Terminal (40.4 miles)

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  • Average Low 2019–2024

    43.3 °F

  • Average 2019–2024

    53.8 °F

  • Average High 2019–2024

    64.9 °F
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