Three Mile Beach Weather Forecast

    • 56
    • 61

    Increasing Clouds

    • 56
    • 61

    Mostly Cloudy

    • 56
    • 62

    Partly Sunny

    • 56
    • 64

    Partly Sunny

    • 57
    • 63

    Mostly Cloudy

    • 57
    • 62

    Mostly Cloudy

    • 57
    • 62

    Partly Sunny

Today 15 Sep Northern Monterey Bay

Partly cloudy late in the morning then becoming sunny. Highs in the lower 70s. Southwest Winds 5 to 10 Mph.

Tonight 15 Sep Northern Monterey Bay

Mostly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the mid 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Three Mile Beach Temperature Statistics

September Temperature

Watsonville, Watsonville Municipal Airport (17.4 miles)

  • Lowest 7 September, 2026

    49.6 °F

  • Average September

    67.2 °F

  • Highest 9 September, 2026

    102.7 °F

Climate (2021–2026)

Watsonville, Watsonville Municipal Airport (17.4 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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