Little Trinity Lake Weather Forecast

    • 41
    • 66

    Sunny

    • 47
    • 71

    Mostly Sunny

    • 46
    • 70

    Mostly Sunny

    • 45
    • 67

    Partly Sunny

    • 36
    • 59

    Chance Rain Showers

    • 29
    • 46

    Chance Rain Showers

    • 28
    • 43

    Slight Chance Snow Showers

Today 22 Jun Boise Mountains

Sunny. Highs 72 to 86.

Tonight 22 Jun Boise Mountains

Clear. Lows 39 to 54.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Little Trinity Lake Temperature Statistics

June Temperature

Boise Air Terminal (40.4 miles)

  • Lowest 11 June, 2026

    44.7 °F

  • Average June

    68.7 °F

  • Highest 16 June, 2026

    95.6 °F

Climate (2021–2026)

Boise Air Terminal (40.4 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    55 °F

  • Average High 2021–2026

    66.3 °F
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