River Park Weather Forecast

    • 53
    • 69

    Mostly Sunny

    • 57
    • 75

    Partly Sunny

    • 59
    • 79

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 58
    • 79

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

Today 14 Mar Carquinez Strait and Delta

Mostly sunny. Highs 76 to 81. West Winds up to 10 Mph.

Tonight 14 Mar Carquinez Strait and Delta

Mostly clear. Lows around 53. Northwest Winds around 10 Mph with Gusts to around 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

River Park Temperature Statistics

March Temperature

Napa, Napa County Airport (6.2 miles)

  • Lowest 5 March, 2026

    37.7 °F
  • Average March

    57.4 °F
  • Highest 7 March, 2026

    77 °F

Climate (2021–Present)

Napa, Napa County Airport (6.2 miles)

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  • Average Low 2021–2026

    47.2 °F
  • Average 2021–2026

    58.2 °F
  • Average High 2021–2026

    70.1 °F
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