Phoenix Lake Weather Forecast

    • 44
    • 57

    Decreasing Clouds

    • 45
    • 58

    Mostly Sunny

    • 45
    • 62

    Mostly Sunny

    • 43
    • 61

    Mostly Sunny

    • 45
    • 60

    Partly Sunny

    • 46
    • 60

    Mostly Cloudy

Today 9 Dec North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Areas of fog in the morning. Highs in the lower 50s to mid 60s. Northeast Winds up to 5 Mph. Becoming south in the afternoon.

Tonight 9 Dec North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Areas of fog. Lows in the 40s to lower 50s. North Winds up to 5 Mph.

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Phoenix Lake Temperature Statistics

December Temperature

Novato / Gnoss Field (12.4 miles)

  • Lowest 2 December, 2025

    37.4 °F

  • Average December

    46.7 °F

  • Highest 3 December, 2025

    71.6 °F

Climate (2020–Present)

Novato / Gnoss Field (12.4 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    72.3 °F
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