Windmill Springs Weather Forecast

    • 55
    • 77

    Increasing Clouds

    • 56
    • 81

    Mostly Sunny

    • 57
    • 86

    Mostly Sunny

    • 56
    • 80

    Partly Sunny

    • 57
    • 83

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

Today 17 Sep Santa Clara Valley Including San Jose

Mostly cloudy in the morning then becoming sunny. Areas of fog in the morning. Highs in the mid 70s. Southeast Winds 5 to 10 Mph. Becoming west 10 to 15 Mph in the afternoon.

Tonight 17 Sep Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming partly cloudy. Areas of fog after midnight. Lows in the mid 50s. Northwest Winds 5 to 15 Mph decreasing to up to 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Windmill Springs Temperature Statistics

September Temperature

San Jose / Reid / Hillv (1.9 miles)

  • Lowest 7 September, 2026

    53.6 °F

  • Average September

    73.6 °F

  • Highest 9 September, 2026

    98.6 °F

Climate (2021–2026)

San Jose / Reid / Hillv (1.9 miles)

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  • Average Low 2021–2026

    52.1 °F

  • Average 2021–2026

    63.7 °F

  • Average High 2021–2026

    72.2 °F
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