Rector Reservoir Weather Forecast

    • 51
    • 74

    Increasing Clouds

    • 51
    • 77

    Partly Sunny

    • 50
    • 77

    Partly Sunny

    • 50
    • 77

    Partly Sunny

    • 50
    • 76

    Areas Fog

    • 52
    • 82

    Mostly Sunny

Today 22 Jul North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. A slight chance of Showers in the morning. Highs in the lower 60s to mid 70s. Southwest Winds 10 to 20 Mph.

Tonight 22 Jul North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the 50s. Southwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rector Reservoir Temperature Statistics

July Temperature

Napa, Napa County Airport (16.2 miles)

  • Lowest 5 July, 2025

    44.7 °F

  • Average July

    63.9 °F

  • Highest 10 July, 2025

    85.6 °F

Climate (2020–Present)

Napa, Napa County Airport (16.2 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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