Napa River - North Slough Entrance Weather Forecast

    • 55
    • 79

    Mostly Sunny

    • 53
    • 67

    Partly Sunny

    • 53
    • 61

    Mostly Cloudy

    • 53
    • 62

    Slight Chance Rain Showers

    • 54
    • 65

    Partly Sunny

    • 52
    • 62

    Partly Sunny

Today 17 Oct North Bay Interior Valleys

Sunny. Highs in the upper 70s to lower 90s. Northeast Winds up to 5 Mph. Becoming southwest in the afternoon.

Tonight 17 Oct North Bay Interior Valleys

Mostly clear except patchy fog after midnight. Lows in the mid 40s to upper 50s. West Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Napa River - North Slough Entrance Temperature Statistics

October Temperature

Napa, Napa County Airport (2.5 miles)

  • Lowest 13 October, 2026

    39.9 °F

  • Average October

    66.1 °F

  • Highest 3 October, 2026

    96.7 °F

Climate (2021–2026)

Napa, Napa County Airport (2.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    70.3 °F
Get WillyWeather+ to remove ads