Mercey Hot Springs Weather Forecast

    • 35
    • 53

    Dense Fog

    • 35
    • 54

    Dense Fog

    • 47
    • 53

    Mostly Sunny

    • 48
    • 62

    Partly Sunny

    • 52
    • 63

    Slight Chance Rain

    • 48
    • 62

    Mostly Cloudy

    • 48
    • 60

    Mostly Cloudy

Today 12 Dec West Side Mountains north of 198

Sunny. Patchy dense fog. Highs 46 to 62. Southeast Winds up to 5 Mph shifting to the northeast in the afternoon.

Tonight 12 Dec West Side Mountains north of 198

Mostly clear. Patchy dense fog. Near steady temperature in the mid 40s. South Winds up to 5 Mph.

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Mercey Hot Springs Temperature Statistics

December Temperature

Hollister, CA (32.9 miles)

  • Lowest 4 December, 2025

    33.8 °F

  • Average December

    46.1 °F

  • Highest 2 December, 2025

    66.2 °F

Climate (2020–Present)

Hollister, CA (32.9 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    72.3 °F
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