Napa River - North Slough Entrance Weather Forecast

    • 41
    • 53

    Increasing Clouds

    • 45
    • 52

    Mostly Cloudy

    • 52
    • 54

    Rain

    • 55
    • 58

    Rain

    • 51
    • 57

    Rain Likely

    • 48
    • 55

    Rain Likely

Today 29 Jan North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Areas of fog in the morning. Highs in the 40s to upper 50s. Southwest Winds up to 5 Mph.

Tonight 29 Jan North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the 30s to lower 40s. West Winds up to 5 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Napa River - North Slough Entrance Temperature Statistics

January Temperature

Napa, Napa County Airport (2.5 miles)

  • Lowest 22 January, 2025

    28.9 °F

  • Average January

    49.2 °F

  • Highest 7 January, 2025

    70.6 °F

Climate (2020–Present)

Napa, Napa County Airport (2.5 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.7 °F
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