O'Neill Forebay Weather Forecast

    • 51
    • 84

    Mostly Sunny

    • 56
    • 77

    Mostly Cloudy

    • 55
    • 81

    Partly Sunny

    • 56
    • 83

    Partly Sunny

    • 58
    • 84

    Partly Sunny

    • 55
    • 77

    Mostly Cloudy

Today 25 Mar West Side Mountains north of 198

Sunny. Highs 78 to 84. Northwest Winds up to 15 Mph.

Tonight 25 Mar West Side Mountains north of 198

Mostly clear. Lows in the lower 50s. West Winds 5 to 15 Mph with Gusts to around 30 Mph.

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O'Neill Forebay Temperature Statistics

March Temperature

Hollister, CA (23.6 miles)

  • Lowest 6 March, 2026

    37.4 °F

  • Average March

    60.3 °F

  • Highest 18 March, 2026

    93.2 °F

Climate (2021–Present)

Hollister, CA (23.6 miles)

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  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    72.6 °F
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