Sacramento River - Walnut Grove Weather Forecast

    • 54
    • 77

    Becoming Sunny

    • 56
    • 87

    Mostly Sunny

    • 56
    • 90

    Mostly Sunny

    • 55
    • 83

    Partly Sunny

    • 56
    • 87

    Mostly Sunny

    • 57
    • 92

    Mostly Sunny

Today 17 Sep Sacramento County Delta

Mostly cloudy in the morning then clearing. Highs 73 to 78. South Winds up to 10 Mph shifting to the west around 10 Mph in the afternoon.

Tonight 17 Sep Sacramento County Delta

Clear. Lows 54 to 60. West Winds up to 10 Mph with Gusts to around 20 Mph.

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Sacramento River - Walnut Grove Temperature Statistics

September Temperature

Sacramento Executive Airport (18 miles)

  • Lowest 14 September, 2026

    51.1 °F

  • Average September

    72.8 °F

  • Highest 10 September, 2026

    104.6 °F

Climate (2021–2026)

Sacramento Executive Airport (18 miles)

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  • Average Low 2021–2026

    50.4 °F

  • Average 2021–2026

    61.9 °F

  • Average High 2021–2026

    75.6 °F
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