South Arm Weather Forecast

    • 41
    • 62

    Decreasing Clouds

    • 44
    • 59

    Partly Sunny

    • 46
    • 62

    Mostly Cloudy

    • 46
    • 64

    Mostly Cloudy

    • 44
    • 62

    Mostly Cloudy

    • 42
    • 60

    Mostly Sunny

    • 44
    • 61

    Mostly Sunny

Today 28 Jan Northern San Joaquin Valley

Mostly sunny in the morning then becoming partly cloudy. Widespread fog in the morning. Highs around 61. Northwest Winds up to 15 Mph.

Tonight 28 Jan Northern San Joaquin Valley

Mostly clear. Patchy fog after midnight. Lows around 42. 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

January Temperature

Sacramento Mather Airport (31.7 miles)

  • Lowest 9 January, 2026

    30.2 °F

  • Average January

    48.5 °F

  • Highest 15 January, 2026

    66.2 °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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