Old Salinas River - Moss Landing Harbor Weather Forecast

    • 56
    • 62

    Increasing Clouds

    • 56
    • 62

    Mostly Cloudy

    • 56
    • 62

    Mostly Cloudy

    • 56
    • 62

    Mostly Cloudy

    • 57
    • 63

    Partly Sunny

    • 58
    • 65

    Partly Sunny

Today 18 Sep Southern Monterey Bay and Big Sur Coast

Sunny. Highs in the 60s to upper 70s. Northwest Winds 5 to 15 Mph.

Tonight 18 Sep Southern Monterey Bay and Big Sur Coast

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s. Northwest Winds 5 to 10 Mph.

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Old Salinas River - Moss Landing Harbor Temperature Statistics

September Temperature

Watsonville, Watsonville Municipal Airport (8.7 miles)

  • Lowest 7 September, 2026

    49.6 °F

  • Average September

    66.5 °F

  • Highest 9 September, 2026

    102.7 °F

Climate (2021–2026)

Watsonville, Watsonville Municipal Airport (8.7 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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