Caswell Memorial State Park Weather Forecast

    • 42
    • 63

    Mostly Sunny

    • 41
    • 64

    Mostly Sunny

    • 42
    • 62

    Mostly Sunny

    • 43
    • 62

    Partly Sunny

    • 43
    • 62

    Mostly Cloudy

    • 41
    • 63

    Mostly Sunny

Today 3 Dec Northern San Joaquin Valley

Patchy fog in the morning. Mostly sunny. Highs around 63. Light Winds.

Tonight 3 Dec Northern San Joaquin Valley

Mostly clear. Patchy fog after midnight. Lows 39 to 49. Light Winds.

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Caswell Memorial State Park Temperature Statistics

December Temperature

Modesto City-County Airport - Harry Sham Field (13 miles)

  • Lowest 1 December, 2024

    44.1 °F
  • Average December

    50.6 °F
  • Highest 1 December, 2024

    60.1 °F

Climate (2019–Present)

Modesto City-County Airport - Harry Sham Field (13 miles)

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  • Average Low 2019–2024

    51.4 °F
  • Average 2019–2024

    63.3 °F
  • Average High 2019–2024

    76 °F
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