Napa River - Edgerley Island Weather Forecast

    • 57
    • 81

    Increasing Clouds

    • 57
    • 80

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 59
    • 82

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

Today 4 Aug North Bay Interior Valleys

Sunny. Highs in the lower 80s to mid 90s. Southwest Winds 10 to 15 Mph.

Tonight 4 Aug North Bay Interior Valleys

Mostly clear in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s to lower 60s. Southwest Winds 5 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Napa River - Edgerley Island Temperature Statistics

August Temperature

Napa, Napa County Airport (1.9 miles)

  • Lowest 1 August, 2026

    58.6 °F

  • Average August

    70.2 °F

  • Highest 2 August, 2026

    84.9 °F

Climate (2021–2026)

Napa, Napa County Airport (1.9 miles)

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

  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    70.3 °F
Get WillyWeather+ to remove ads