South Arm Weather Forecast

    • 43
    • 58

    Becoming Sunny

    • 43
    • 64

    Partly Sunny

    • 53
    • 65

    Rain Likely

    • 54
    • 59

    Rain

    • 50
    • 66

    Chance Rain

    • 50
    • 67

    Partly Sunny

    • 53
    • 68

    Mostly Cloudy

Today 21 Feb Northern San Joaquin Valley

Mostly cloudy in the morning then clearing. Areas of frost early in the morning. Highs 55 to 60. Southeast Winds up to 15 Mph.

Tonight 21 Feb Northern San Joaquin Valley

Clear. Lows 37 to 43. Southeast 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

February Temperature

Sacramento Mather Airport (31.7 miles)

  • Lowest 18 February, 2026

    33.8 °F

  • Average February

    51.4 °F

  • Highest 4 February, 2026

    69.8 °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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