Prospect Slough - French Island Weather Forecast

    • 58
    • 96

    Sunny

    • 58
    • 93

    Sunny

    • 60
    • 90

    Sunny

    • 60
    • 93

    Sunny

    • 60
    • 93

    Mostly Sunny

    • 58
    • 90

    Mostly Sunny

Today 12 Jun Central Solano County Including Fairfield and Vacaville

Sunny. Highs 90 to 98. West Winds 10 to 15 Mph. Gusts up to 20 Mph increasing to 30 Mph in the afternoon.

Tonight 12 Jun Central Solano County Including Fairfield and Vacaville

Clear. Lows around 58. Southwest Winds 10 to 20 Mph with Gusts to around 30 Mph.

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Prospect Slough - French Island Temperature Statistics

June Temperature

Fairfield / Travis Air Force Base (13.7 miles)

  • Lowest 7 June, 2026

    52.3 °F

  • Average June

    69.8 °F

  • Highest 1 June, 2026

    93.9 °F

Climate (2021–Present)

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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