Napa River - North Slough Entrance Weather Forecast

    • 47
    • 59

    Increasing Clouds

    • 50
    • 55

    Rain Likely

    • 49
    • 55

    Rain

    • 44
    • 51

    Rain

    • 42
    • 49

    Rain

    • 41
    • 50

    Rain Likely

Today 13 Feb North Bay Interior Valleys

Partly cloudy. Areas of fog in the morning. Highs in the upper 50s to mid 60s. West Winds 5 to 10 Mph.

Tonight 13 Feb North Bay Interior Valleys

Mostly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the 30s to upper 40s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Napa River - North Slough Entrance Temperature Statistics

February Temperature

Napa, Napa County Airport (2.5 miles)

  • Lowest 2 February, 2026

    35.7 °F

  • Average February

    53 °F

  • Highest 5 February, 2026

    71.7 °F

Climate (2021–Present)

Napa, Napa County Airport (2.5 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    70.1 °F
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