Sierra Weather Forecast

    • 52
    • 79

    Mostly Cloudy

    • 49
    • 68

    Decreasing Clouds

    • 48
    • 66

    Areas Fog

    • 47
    • 68

    Partly Sunny

    • 45
    • 66

    Partly Sunny

    • 46
    • 68

    Sunny

    • 49
    • 71

    Mostly Sunny

Today 28 Feb Santa Clara Valley Including San Jose

Partly cloudy. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 28 Feb Santa Clara Valley Including San Jose

Mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. West Winds around 5 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sierra Temperature Statistics

February Temperature

San Jose / Reid / Hillv (1.9 miles)

  • Lowest 18 February, 2026

    37.4 °F

  • Average February

    56.6 °F

  • Highest 6 February, 2026

    73.4 °F

Climate (2021–Present)

San Jose / Reid / Hillv (1.9 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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