San Joaquin River National Wildlife Refuge Weather Forecast

    • 52
    • 79

    Becoming Sunny

    • 51
    • 85

    Mostly Sunny

    • 54
    • 85

    Sunny

    • 56
    • 90

    Sunny

    • 59
    • 94

    Mostly Sunny

    • 62
    • 99

    Hot

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San Joaquin River National Wildlife Refuge Temperature Statistics

May Temperature

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

  • Lowest 3 May, 2026

    54.6 °F
  • Average May

    65 °F
  • Highest 1 May, 2026

    85.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    51.8 °F
  • Average 2021–2026

    63.7 °F
  • Average High 2021–2026

    76.2 °F
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