Twin Lakes State Beach (Harbor Beach) Weather Forecast

    • 52
    • 56

    Rain Showers

    • 48
    • 54

    Rain Showers

    • 42
    • 53

    Chance Rain Showers

    • 43
    • 54

    Sunny

    • 45
    • 57

    Mostly Sunny

    • 48
    • 59

    Partly Sunny

Today 25 Dec Northern Monterey Bay

Showers and a slight chance of Thunderstorms. Some Thunderstorms may be severe with damaging Winds and heavy rainfall. Highs in the upper 50s. South Winds 15 to 20 Mph with Gusts to around 45 Mph.

Tonight 25 Dec Northern Monterey Bay

Showers and a slight chance of Thunderstorms in the Evening, then rain after midnight. Some Thunderstorms may be severe with damaging Winds and heavy rainfall. Lows in the upper 40s. Southwest Winds 10 to 20 Mph. Gusts up to 40 Mph decreasing to 30 Mph after midnight.

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Twin Lakes State Beach (Harbor Beach) Temperature Statistics

December Temperature

Watsonville, Watsonville Municipal Airport (11.2 miles)

  • Lowest 4 December, 2025

    35.1 °F

  • Average December

    52.8 °F

  • Highest 10 December, 2025

    70 °F

Climate (2020–Present)

Watsonville, Watsonville Municipal Airport (11.2 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    56.7 °F

  • Average High 2020–2025

    67.7 °F
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