Atlas Peak Weather Forecast

    • 46
    • 62

    Mostly Sunny

    • 51
    • 59

    Partly Sunny

    • 54
    • 58

    Rain Likely

    • 46
    • 57

    Chance Rain

    • 50
    • 54

    Chance Rain

    • 49
    • 54

    Rain Likely

Today 14 Dec North Bay Interior Mountains

Sunny in the morning then becoming partly cloudy. Highs in the 50s to mid 60s. Southeast Winds around 5 Mph.

Tonight 14 Dec North Bay Interior Mountains

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 40s to lower 50s. Northeast Winds around 5 Mph.

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Atlas Peak Temperature Statistics

December Temperature

Napa, Napa County Airport (16.8 miles)

  • Lowest 2 December, 2025

    37 °F

  • Average December

    45 °F

  • Highest 3 December, 2025

    66 °F

Climate (2020–Present)

Napa, Napa County Airport (16.8 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.1 °F
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