Mount Pleasant Weather Forecast

    • 66
    • 90

    Becoming Sunny

    • 64
    • 93

    Sunny

    • 63
    • 91

    Mostly Sunny

    • 62
    • 84

    Slight Chance Thunderstorms

    • 61
    • 83

    Slight Chance Rain Showers

    • 59
    • 81

    Partly Sunny

Today 15 Sep Santa Clara Valley Including San Jose

Sunny. Highs in the upper 80s to mid 90s. Northwest Winds 5 to 10 Mph.

Tonight 15 Sep Santa Clara Valley Including San Jose

Clear. Lows in the mid 60s. Northwest Winds 5 to 10 Mph in the evening. Becoming light.

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Mount Pleasant Temperature Statistics

September Temperature

San Jose / Reid / Hillv (1.2 miles)

  • Lowest 7 September, 2025

    59 °F

  • Average September

    72.2 °F

  • Highest 1 September, 2025

    93.2 °F

Climate (2020–Present)

San Jose / Reid / Hillv (1.2 miles)

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  • Average Low 2020–2025

    51.5 °F

  • Average 2020–2025

    63.5 °F

  • Average High 2020–2025

    72.3 °F
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