Triangle Lake Weather Forecast

    • 47
    • 76

    Increasing Clouds

    • 45
    • 62

    Chance Rain Showers

    • 44
    • 65

    Slight Chance Rain Showers

    • 46
    • 70

    Mostly Sunny

    • 48
    • 75

    Mostly Sunny

    • 44
    • 69

    Chance Rain Showers

Today 18 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Mostly cloudy. Highs 78 to 88. Light Winds becoming southeast around 10 Mph in the afternoon.

Tonight 18 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Cloudy. Slight chance of Showers after midnight. Lows 47 to 57. Southwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Triangle Lake Temperature Statistics

September Temperature

Redding Municipal Airport (56.5 miles)

  • Lowest 7 September, 2025

    57.9 °F

  • Average September

    76.8 °F

  • Highest 1 September, 2025

    102 °F

Climate (2020–Present)

Redding Municipal Airport (56.5 miles)

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  • Average Low 2020–2025

    52.5 °F

  • Average 2020–2025

    65.4 °F

  • Average High 2020–2025

    78.2 °F
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