Prospect Slough - French Island Weather Forecast

    • 66
    • 97

    Hot

    • 62
    • 96

    Sunny

    • 57
    • 89

    Sunny

    • 56
    • 84

    Mostly Sunny

    • 58
    • 86

    Mostly Sunny

    • 59
    • 87

    Partly Sunny

    • 60
    • 86

    Partly Sunny

Today 14 Jul Central Solano County Including Fairfield and Vacaville

Sunny. Highs 93 to 99. Southwest Winds up to 10 Mph with Gusts to around 25 Mph.

Tonight 14 Jul Central Solano County Including Fairfield and Vacaville

Clear. Lows 63 to 68. Southwest Winds 10 to 15 Mph with Gusts to around 25 Mph.

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Prospect Slough - French Island Temperature Statistics

July Temperature

Fairfield / Travis Air Force Base (13.7 miles)

  • Lowest 8 July, 2026

    54.3 °F

  • Average July

    68.6 °F

  • Highest 12 July, 2026

    97.3 °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

    74.7 °F
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