Oster Weather Forecast

    • 61
    • 93

    Becoming Sunny

    • 56
    • 87

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 55
    • 80

    Partly Sunny

Today 10 Sep Santa Clara Valley Including San Jose

Partly cloudy in the morning then becoming sunny. Highs in the lower to mid 90s. Northwest Winds up to 5 Mph increasing to 5 to 15 Mph in the afternoon.

Tonight 10 Sep Santa Clara Valley Including San Jose

Mostly clear. Lows around 60. Northwest Winds 5 to 15 Mph.

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Oster Temperature Statistics

September Temperature

San Jose, San Jose International Airport (6.8 miles)

  • Lowest 7 September, 2026

    54 °F

  • Average September

    68.6 °F

  • Highest 7 September, 2026

    86 °F

Climate (2021–2026)

San Jose, San Jose International Airport (6.8 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    62.1 °F

  • Average High 2021–2026

    72.8 °F
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