San Lorenzo River Mouth Weather Forecast

    • 55
    • 69

    Mostly Cloudy

    • 55
    • 74

    Partly Sunny

    • 60
    • 83

    Partly Sunny

    • 58
    • 82

    Partly Sunny

    • 56
    • 82

    Partly Sunny

    • 55
    • 78

    Partly Sunny

Today 21 Sep Northern Monterey Bay

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. A slight chance of drizzle in the morning. Highs in the upper 60s. Southwest Winds 5 to 10 Mph.

Tonight 21 Sep Northern Monterey Bay

Mostly cloudy. Patchy fog. Lows in the mid 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Lorenzo River Mouth Temperature Statistics

September Temperature

Watsonville, Watsonville Municipal Airport (12.4 miles)

  • Lowest 7 September, 2026

    49.6 °F

  • Average September

    65.9 °F

  • Highest 9 September, 2026

    102.7 °F

Climate (2021–2026)

Watsonville, Watsonville Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    68.3 °F
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