Loch Lomond Weather Forecast

    • 47
    • 54

    Rain Showers

    • 45
    • 58

    Chance Rain Showers

    • 42
    • 57

    Partly Sunny

    • 38
    • 55

    Mostly Sunny

    • 39
    • 58

    Mostly Sunny

    • 41
    • 62

    Mostly Sunny

    • 42
    • 63

    Partly Sunny

Today 5 Jan Santa Cruz Mountains

Showers and a slight chance of Thunderstorms. Highs in the upper 40s to mid 50s. South Winds 10 to 20 Mph.

Tonight 5 Jan Santa Cruz Mountains

Showers in the Evening, then a chance of Showers after midnight. Lows in the mid 40s. Southeast Winds 10 to 20 Mph.

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Loch Lomond Temperature Statistics

January Temperature

San Jose, San Jose International Airport (18 miles)

  • Lowest 1 January, 2026

    51.1 °F

  • Average January

    57.7 °F

  • Highest 2 January, 2026

    63 °F

Climate (2021–Present)

San Jose, San Jose International Airport (18 miles)

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  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    72.4 °F
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