Prospect Slough - Hastings Ferry Weather Forecast

    • 64
    • 87

    Chance Rain Showers

    • 62
    • 79

    Chance Rain Showers

    • 62
    • 85

    Mostly Sunny

    • 63
    • 91

    Sunny

    • 65
    • 93

    Mostly Sunny

    • 62
    • 83

    Chance Rain Showers

Today 18 Sep Carquinez Strait and Delta

Mostly cloudy. Highs 81 to 87. Except 75 to 81 near the bay. Southwest Winds 10 to 15 Mph.

Tonight 18 Sep Carquinez Strait and Delta

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of rain Showers and a slight chance of Thunderstorms after midnight. Lows 61 to 67. West Winds up to 15 Mph.

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Prospect Slough - Hastings Ferry Temperature Statistics

September Temperature

Fairfield / Travis Air Force Base (13.7 miles)

  • Lowest 15 September, 2025

    55.9 °F

  • Average September

    69.5 °F

  • Highest 15 September, 2025

    94.6 °F

Climate (2020–Present)

Fairfield / Travis Air Force Base (13.7 miles)

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  • Average Low 2020–2025

    48.5 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    75.5 °F
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