South Arm Weather Forecast

    • 66
    • 99

    Hot

    • 63
    • 92

    Sunny

    • 56
    • 84

    Mostly Sunny

    • 58
    • 82

    Sunny

    • 59
    • 85

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

Today 10 Sep Northeastern San Joaquin Valley Below 1000 ft

Mostly sunny in the morning then becoming partly cloudy. Highs around 99. North Winds up to 10 Mph shifting to the west with Gusts to around 25 Mph in the afternoon.

Tonight 10 Sep Northeastern San Joaquin Valley Below 1000 ft

Mostly clear. Lows 65 to 71. Northwest Winds up to 10 Mph. Gusts up to 25 Mph in the evening.

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South Arm Temperature Statistics

September Temperature

Sacramento Mather Airport (31.7 miles)

  • Lowest 5 September, 2026

    49.1 °F

  • Average September

    68.6 °F

  • Highest 8 September, 2026

    96.3 °F

Climate (2021–2026)

Sacramento Mather Airport (31.7 miles)

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  • Average Low 2021–2026

    48.9 °F

  • Average 2021–2026

    61.7 °F

  • Average High 2021–2026

    75.4 °F
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