Walnut Grove Weather Forecast

    • 67
    • 88

    Chance Thunderstorms

    • 65
    • 86

    Mostly Sunny

    • 62
    • 89

    Chance Thunderstorms

    • 59
    • 77

    Chance Rain Showers

    • 55
    • 72

    Chance Rain Showers

    • 54
    • 70

    Slight Chance Rain Showers

Today 14 Sep Redwood

Partly sunny then becoming mostly sunny early in the afternoon then becoming partly sunny. A 20 percent chance of Thunderstorms late in the afternoon. Highs in the upper 80s. South Winds 5 to 15 Mph.

Tonight 14 Sep Redwood

Mostly cloudy with a 50 percent chance of Thunderstorms. Lows in the upper 60s. Southeast Winds 10 to 15 Mph.

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Walnut Grove Temperature Statistics

September Temperature

Tracy, Tracy Municipal Airport (6.8 miles)

  • Lowest 4 September, 2025

    39.2 °F

  • Average September

    60.5 °F

  • Highest 12 September, 2025

    82.4 °F

Climate (2020–Present)

Tracy, Tracy Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    57 °F
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