Sierra Fair Weather Forecast

    • 66
    • 98

    Hot

    • 67
    • 87

    Chance Rain Showers

    • 63
    • 82

    Chance Rain Showers

    • 64
    • 88

    Mostly Sunny

    • 65
    • 92

    Sunny

    • 66
    • 94

    Partly Sunny

    • 64
    • 85

    Chance Rain Showers

Today 17 Sep Southern Sacramento Valley

Sunny. Highs 94 to 100. Northwest Winds up to 10 Mph.

Tonight 17 Sep Southern Sacramento Valley

Mostly clear in the evening then becoming mostly cloudy. Lows 62 to 70. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sierra Fair Temperature Statistics

September Temperature

Sacramento Mather Airport (6.2 miles)

  • Lowest 7 September, 2025

    55.4 °F

  • Average September

    71.9 °F

  • Highest 1 September, 2025

    102.2 °F

Climate (2020–Present)

Sacramento Mather Airport (6.2 miles)

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  • Average Low 2020–2025

    48.4 °F

  • Average 2020–2025

    61.6 °F

  • Average High 2020–2025

    75.5 °F
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