Mercey Hot Springs Weather Forecast

    • 35
    • 54

    Patchy Fog

    • 46
    • 53

    Mostly Sunny

    • 49
    • 62

    Partly Sunny

    • 51
    • 64

    Mostly Cloudy

    • 47
    • 63

    Mostly Cloudy

    • 48
    • 60

    Mostly Cloudy

    • 49
    • 59

    Chance Rain

Today 13 Dec West Side Mountains north of 198

Sunny. Patchy dense fog. Highs 47 to 63. South Winds up to 5 Mph shifting to the north in the afternoon.

Tonight 13 Dec West Side Mountains north of 198

Mostly clear. Patchy fog. Near steady temperature in the mid 40s. Southwest 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

    46.2 °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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