Prospect Slough - French Island Weather Forecast

    • 58
    • 88

    Breezy

    • 57
    • 92

    Sunny

    • 57
    • 94

    Mostly Sunny

    • 55
    • 95

    Sunny

    • 53
    • 88

    Mostly Sunny

    • 52
    • 83

    Mostly Sunny

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Prospect Slough - French Island Temperature Statistics

May Temperature

Fairfield / Travis Air Force Base (13.7 miles)

  • Lowest 4 May, 2026

    51.8 °F
  • Average May

    63.1 °F
  • Highest 11 May, 2026

    91.2 °F

Climate (2021–Present)

Fairfield / Travis Air Force Base (13.7 miles)

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  • Average Low 2021–2026

    48.8 °F
  • Average 2021–2026

    60.5 °F
  • Average High 2021–2026

    74.8 °F
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