Little Trinity Lake Weather Forecast

    • 31
    • 45

    Increasing Clouds

    • 36
    • 50

    Mostly Cloudy

    • 35
    • 52

    Slight Chance Rain Showers

    • 26
    • 49

    Partly Sunny

    • 21
    • 40

    Mostly Sunny

    • 29
    • 46

    Partly Sunny

Today 22 Mar Boise Mountains

Mostly sunny. Highs 50 to 62.

Tonight 22 Mar Boise Mountains

Mostly cloudy. Lows 26 to 41.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Little Trinity Lake Temperature Statistics

March Temperature

Boise Air Terminal (40.4 miles)

  • Lowest 15 March, 2026

    25.6 °F

  • Average March

    49 °F

  • Highest 20 March, 2026

    82 °F

Climate (2021–Present)

Boise Air Terminal (40.4 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    66.2 °F
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