Leoma Lakes Weather Forecast

    • 60
    • 73

    Mostly Cloudy

    • 58
    • 71

    Chance Rain Showers

    • 58
    • 76

    Mostly Sunny

    • 61
    • 79

    Sunny

    • 61
    • 83

    Mostly Sunny

    • 58
    • 71

    Chance Rain Showers

Today 18 Sep North Bay Interior Mountains

Mostly cloudy. A slight chance of Showers in the afternoon. Highs in the lower 70s to mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 18 Sep North Bay Interior Mountains

Mostly cloudy. A slight chance of Showers in the evening. Isolated Thunderstorms. A chance of Showers after midnight. Lows in the lower to mid 60s. Southwest Winds up to 5 Mph in the evening. Becoming light.

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Leoma Lakes Temperature Statistics

September Temperature

Napa, Napa County Airport (9.9 miles)

  • Lowest 14 September, 2025

    48 °F

  • Average September

    66.1 °F

  • Highest 15 September, 2025

    91 °F

Climate (2020–Present)

Napa, Napa County Airport (9.9 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.5 °F
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