O'Neill Forebay Weather Forecast

    • 57
    • 90

    Becoming Sunny

    • 55
    • 84

    Sunny

    • 60
    • 88

    Sunny

    • 59
    • 95

    Sunny

    • 54
    • 86

    Sunny

    • 54
    • 83

    Sunny

Today 15 Jun West Side Mountains north of 198

Sunny. Highs 86 to 94. Northwest Winds up to 10 Mph with Gusts to around 25 Mph.

Tonight 15 Jun West Side Mountains north of 198

Mostly clear. Lows 57 to 65. West Winds 5 to 15 Mph with Gusts to around 30 Mph.

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O'Neill Forebay Temperature Statistics

June Temperature

Hollister, CA (23.6 miles)

  • Lowest 12 June, 2025

    44.6 °F

  • Average June

    60.4 °F

  • Highest 9 June, 2025

    78.8 °F

Climate (2020–Present)

Hollister, CA (23.6 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    72.7 °F
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