Cordelia Slough - Cygnus Weather Forecast

    • 63
    • 84

    Chance Rain Showers

    • 60
    • 80

    Chance Rain Showers

    • 61
    • 84

    Mostly Sunny

    • 61
    • 87

    Sunny

    • 63
    • 94

    Mostly Sunny

    • 62
    • 85

    Slight Chance Rain Showers

Today 18 Sep Carquinez Strait and Delta

Mostly cloudy. Highs 82 to 88. Southwest Winds 10 to 15 Mph.

Tonight 18 Sep Carquinez Strait and Delta

Mostly cloudy with a slight chance of rain Showers. Lows 61 to 67. Southwest Winds up to 10 Mph with Gusts to around 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cordelia Slough - Cygnus Temperature Statistics

September Temperature

Fairfield / Travis Air Force Base (10.6 miles)

  • Lowest 16 September, 2025

    54.9 °F

  • Average September

    70.1 °F

  • Highest 16 September, 2025

    97.3 °F

Climate (2020–Present)

Fairfield / Travis Air Force Base (10.6 miles)

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  • Average Low 2020–2025

    48.4 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    75.5 °F
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