South Arm Weather Forecast

    • 35
    • 50

    Mostly Sunny

    • 36
    • 50

    Mostly Sunny

    • 39
    • 52

    Partly Sunny

    • 40
    • 53

    Partly Sunny

    • 43
    • 55

    Partly Sunny

    • 45
    • 57

    Partly Sunny

Today 8 Jan Northern San Joaquin Valley

Sunny. Highs 47 to 54. Northwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 8 Jan Northern San Joaquin Valley

Mostly clear. Areas of frost after midnight. Lows around 34. Northwest Winds up to 15 Mph with Gusts to around 30 Mph.

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South Arm Temperature Statistics

January Temperature

Sacramento Mather Airport (31.7 miles)

  • Lowest 6 January, 2026

    44.6 °F

  • Average January

    54.7 °F

  • Highest 1 January, 2026

    62.6 °F

Climate (2021–Present)

Sacramento Mather Airport (31.7 miles)

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  • Average Low 2021–2026

    48.7 °F

  • Average 2021–2026

    61.7 °F

  • Average High 2021–2026

    75.3 °F
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