Big Trinity Lake Weather Forecast

    • 30
    • 50

    Sunny

    • 34
    • 56

    Mostly Sunny

    • 32
    • 57

    Rain Showers

    • 31
    • 47

    Rain Showers Likely

    • 31
    • 51

    Chance Rain Showers

    • 32
    • 50

    Chance Rain Showers

Today 1 May Boise Mountains

Sunny. Highs 58 to 72.

Tonight 1 May Boise Mountains

Clear. Lows 29 to 44.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Trinity Lake Temperature Statistics

May Temperature

Boise Air Terminal (40.4 miles)

  • Lowest

    –

  • Average May

    –

  • Highest

    –

Climate (2020–Present)

Boise Air Terminal (40.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    54.3 °F

  • Average High 2020–2025

    65.5 °F
Get WillyWeather+ to remove ads