Haypress Reservoir Weather Forecast

    • 65
    • 80

    Becoming Sunny

    • 66
    • 87

    Partly Sunny

    • 67
    • 88

    Mostly Cloudy

    • 66
    • 88

    Slight Chance Thunderstorms

    • 66
    • 82

    Slight Chance Rain Showers

    • 65
    • 82

    Partly Sunny

Today 15 Sep Catalina and Santa Barbara Islands

Low Clouds and fog in the morning then sunny. Highs from the lower 70s near the coast to the lower 80s interior.

Tonight 15 Sep Catalina and Santa Barbara Islands

Clear in the evening then low Clouds and fog. Lows in the lower to mid 60s.

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Haypress Reservoir Temperature Statistics

September Temperature

Avalon Catalina Airport (4.3 miles)

  • Lowest 5 September, 2025

    55 °F

  • Average September

    68.9 °F

  • Highest 2 September, 2025

    84.9 °F

Climate (2020–Present)

Avalon Catalina Airport (4.3 miles)

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  • Average Low 2020–2025

    56 °F

  • Average 2020–2025

    62 °F

  • Average High 2020–2025

    68.6 °F
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