Mount Pleasant South Weather Forecast

    • 46
    • 64

    Mostly Cloudy

    • 43
    • 63

    Mostly Cloudy

    • 42
    • 62

    Mostly Sunny

    • 40
    • 62

    Mostly Sunny

    • 42
    • 63

    Mostly Cloudy

    • 42
    • 64

    Partly Sunny

Today 21 Jan Santa Clara Valley Including San Jose

Cloudy. Highs in the mid 60s. Light Winds. Becoming northwest around 5 Mph in the afternoon.

Tonight 21 Jan Santa Clara Valley Including San Jose

Mostly cloudy. Lows in the upper 40s. Light Winds.

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  • Temperature Real-Time

Mount Pleasant South Temperature Statistics

January Temperature

San Jose / Reid / Hillv (1.2 miles)

  • Lowest 10 January, 2026

    32 °F

  • Average January

    55.1 °F

  • Highest 16 January, 2026

    71.6 °F

Climate (2021–Present)

San Jose / Reid / Hillv (1.2 miles)

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  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    63.5 °F

  • Average High 2021–2026

    72.1 °F
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