Riverdale Park Weather Forecast

    • 49
    • 65

    Decreasing Clouds

    • 49
    • 68

    Mostly Sunny

    • 51
    • 73

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

    • 49
    • 68

    Mostly Sunny

Today 15 Oct Northern San Joaquin Valley

Mostly cloudy with a slight chance of rain Showers in the Morning, then mostly sunny in the afternoon. Highs 58 to 66. Southeast Winds up to 10 Mph shifting to the northwest in the afternoon.

Tonight 15 Oct Northern San Joaquin Valley

Clear. Lows 44 to 52. Northwest Winds up to 10 Mph.

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Riverdale Park Temperature Statistics

October Temperature

Modesto City-County Airport - Harry Sham Field (4.3 miles)

  • Lowest 4 October, 2025

    52 °F

  • Average October

    66.9 °F

  • Highest 7 October, 2025

    89.1 °F

Climate (2020–Present)

Modesto City-County Airport - Harry Sham Field (4.3 miles)

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  • Average Low 2020–2025

    51.2 °F

  • Average 2020–2025

    63.3 °F

  • Average High 2020–2025

    76 °F
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