Guadalupe Reservoir Weather Forecast

    • 48
    • 63

    Areas Fog

    • 54
    • 63

    Rain

    • 56
    • 60

    Rain

    • 55
    • 58

    Rain

    • 52
    • 58

    Rain Likely

    • 50
    • 57

    Rain

    • 49
    • 56

    Rain Likely

Today 18 Dec Santa Cruz Mountains

Partly cloudy. Highs in the upper 50s to mid 60s. Light Winds.

Tonight 18 Dec Santa Cruz Mountains

Mostly cloudy. Areas of fog after midnight. A slight chance of rain after midnight. Lows in the upper 40s. Northwest Winds around 5 Mph. Becoming west up to 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Guadalupe Reservoir Temperature Statistics

December Temperature

San Jose / Reid / Hillv (9.9 miles)

  • Lowest 13 December, 2025

    35.6 °F

  • Average December

    49.8 °F

  • Highest 3 December, 2025

    64.4 °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

    63.4 °F

  • Average High 2020–2025

    72 °F
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