Guadalupe Reservoir County Park Weather Forecast

    • 48
    • 68

    Becoming Sunny

    • 50
    • 75

    Sunny

    • 52
    • 82

    Sunny

    • 53
    • 84

    Sunny

    • 54
    • 88

    Sunny

    • 51
    • 86

    Mostly Sunny

Today 17 May Santa Cruz Mountains

Mostly cloudy in the morning then becoming partly cloudy. Highs in the 50s to mid 60s. Northwest Winds 10 to 20 Mph with Gusts to around 35 Mph.

Tonight 17 May Santa Cruz Mountains

Mostly cloudy. Lows in the upper 40s. Northwest Winds 5 to 15 Mph with Gusts to around 30 Mph.

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Guadalupe Reservoir County Park Temperature Statistics

May Temperature

San Jose / Reid / Hillv (9.9 miles)

  • Lowest 4 May, 2025

    46.4 °F

  • Average May

    66.7 °F

  • Highest 9 May, 2025

    89.6 °F

Climate (2020–Present)

San Jose / Reid / Hillv (9.9 miles)

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  • Average Low 2020–2025

    51.6 °F

  • Average 2020–2025

    63.7 °F

  • Average High 2020–2025

    72.4 °F
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