South Arm Weather Forecast

    • 68
    • 97

    Hot

    • 66
    • 87

    Mostly Cloudy

    • 63
    • 82

    Chance Rain Showers

    • 63
    • 87

    Mostly Sunny

    • 65
    • 90

    Sunny

    • 68
    • 92

    Mostly Sunny

    • 63
    • 84

    Chance Rain Showers

Today 17 Sep Northern San Joaquin Valley

Sunny. Highs 92 to 99. Northwest Winds up to 15 Mph.

Tonight 17 Sep Northern San Joaquin Valley

Partly cloudy in the evening then becoming mostly cloudy. Lows 64 to 72. Northwest Winds up to 10 Mph with Gusts to around 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Arm Temperature Statistics

September Temperature

Sacramento Mather Airport (31.7 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 (31.7 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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