Sweigert Weather Forecast

    • 56
    • 77

    Becoming Sunny

    • 58
    • 80

    Mostly Sunny

    • 62
    • 88

    Mostly Sunny

    • 60
    • 88

    Partly Sunny

    • 57
    • 81

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

Today 21 Sep Santa Clara Valley Including San Jose

Mostly cloudy in the morning then becoming sunny. Highs in the upper 70s. Southeast Winds up to 5 Mph. Becoming west in the afternoon.

Tonight 21 Sep Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming mostly cloudy. Lows in the mid 50s. West Winds 5 to 10 Mph. Becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sweigert Temperature Statistics

September Temperature

San Jose, San Jose International Airport (5.6 miles)

  • Lowest 5 September, 2026

    54.6 °F

  • Average September

    70.5 °F

  • Highest 9 September, 2026

    97.6 °F

Climate (2021–2026)

San Jose, San Jose International Airport (5.6 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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