Prospect Slough - French Island Weather Forecast

    • 61
    • 95

    Increasing Clouds

    • 60
    • 89

    Partly Sunny

    • 60
    • 90

    Partly Sunny

    • 61
    • 92

    Mostly Sunny

    • 61
    • 92

    Mostly Sunny

    • 61
    • 91

    Mostly Sunny

Today 23 Aug Central Solano County Including Fairfield and Vacaville

Partly cloudy in the morning then clearing. Highs 91 to 97. West Winds up to 10 Mph with Gusts to around 20 Mph.

Tonight 23 Aug Central Solano County Including Fairfield and Vacaville

Partly cloudy. Lows around 60. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph after midnight.

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  • Temperature Real-Time

Prospect Slough - French Island Temperature Statistics

August Temperature

Fairfield / Travis Air Force Base (13.7 miles)

  • Lowest 20 August, 2026

    56.1 °F

  • Average August

    72.3 °F

  • Highest 3 August, 2026

    104.9 °F

Climate (2021–2026)

Fairfield / Travis Air Force Base (13.7 miles)

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  • Average Low 2021–2026

    48.9 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    74.8 °F
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