Trancas Crossing Park Weather Forecast

    • 50
    • 70

    Rain Showers Likely

    • 50
    • 65

    Rain Showers

    • 43
    • 58

    Rain Showers

    • 40
    • 58

    Rain Showers Likely

    • 41
    • 65

    Mostly Sunny

    • 42
    • 69

    Mostly Sunny

Today 9 Apr North Bay Interior Valleys

Mostly cloudy. Areas of fog in the morning. A slight chance of rain in the Morning, then a chance of Showers and a slight chance of Thunderstorms in the afternoon. Highs in the 60s to lower 70s. Southwest Winds 5 to 15 Mph.

Tonight 9 Apr North Bay Interior Valleys

Mostly cloudy. A slight chance of rain in the Evening, then a chance of Showers and a slight chance of Thunderstorms after midnight. Areas of fog after midnight. Lows in the upper 40s to mid 50s. Southwest Winds 10 to 15 Mph decreasing to up to 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Trancas Crossing Park Temperature Statistics

April Temperature

Napa, Napa County Airport (8.1 miles)

  • Lowest 3 April, 2026

    38.6 °F

  • Average April

    58.9 °F

  • Highest 5 April, 2026

    83.6 °F

Climate (2021–Present)

Napa, Napa County Airport (8.1 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    70.3 °F
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