Eureka Weather Forecast

    • 37
    • 47

    Rain/Snow Likely

    • 42
    • 50

    Chance Rain

    • 40
    • 52

    Mostly Cloudy

    • 41
    • 53

    Mostly Cloudy

    • 39
    • 50

    Rain Likely

    • 38
    • 47

    Rain/Snow Likely

Today 20 Dec Western Millard and Juab Counties

Mostly cloudy with a 20 percent chance of rain in the Morning, then partly cloudy in the afternoon. Highs in the upper 50s.

Tonight 20 Dec Western Millard and Juab Counties

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s.

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Eureka Temperature Statistics

December Temperature

Provo, Provo Municipal Airport (28 miles)

  • Lowest 14 December, 2025

    26.1 °F

  • Average December

    36.4 °F

  • Highest 17 December, 2025

    59 °F

Climate (2020–Present)

Provo, Provo Municipal Airport (28 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    63.8 °F
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