Third Napa Slough Weather Forecast

    • 42
    • 68

    Mostly Sunny

    • 42
    • 69

    Mostly Sunny

    • 46
    • 66

    Partly Sunny

    • 46
    • 64

    Areas Fog

    • 47
    • 64

    Mostly Cloudy

    • 44
    • 61

    Chance Rain

Today 3 Feb North Bay Interior Valleys

Sunny. Highs in the 60s to lower 70s. East Winds 5 to 10 Mph.

Tonight 3 Feb North Bay Interior Valleys

Mostly clear. Lows in the upper 30s to mid 50s. Northeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Third Napa Slough Temperature Statistics

February Temperature

Napa, Napa County Airport (6.2 miles)

  • Lowest 1 February, 2026

    39 °F

  • Average February

    49.6 °F

  • Highest 1 February, 2026

    64 °F

Climate (2021–Present)

Napa, Napa County Airport (6.2 miles)

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

  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    70.1 °F
Get WillyWeather+ to remove ads