Napa Weather Forecast

    • 46
    • 72

    Mostly Sunny

    • 47
    • 77

    Mostly Sunny

    • 50
    • 80

    Mostly Sunny

    • 49
    • 80

    Partly Sunny

    • 49
    • 75

    Partly Sunny

    • 48
    • 72

    Partly Sunny

Today 28 Apr North Bay Interior Valleys

Sunny. Patchy fog in the morning. Highs in the 60s to mid 70s. Southwest Winds 5 to 10 Mph.

Tonight 28 Apr North Bay Interior Valleys

Mostly clear. Areas of fog after midnight. Lows in the 40s to lower 50s. West Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Napa Temperature Statistics

April Temperature

Napa, Napa County Airport (6.2 miles)

  • Lowest 3 April, 2026

    38.6 °F

  • Average April

    57.7 °F

  • Highest 5 April, 2026

    83.6 °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

    47.3 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    70.3 °F
Get WillyWeather+ to remove ads