Eureka Weather Forecast

    • 41
    • 57

    Increasing Clouds

    • 38
    • 54

    Breezy

    • 38
    • 48

    Rain

    • 34
    • 47

    Rain/Snow Likely

    • 25
    • 42

    Snow Likely

    • 18
    • 36

    Slight Chance Snow

    • 22
    • 39

    Mostly Sunny

Today 22 Dec Southern Lander County and Southern Eureka County

Mostly sunny. A 50 percent chance of rain late in the morning. Highs 51 to 59. Southwest Winds 10 to 15 Mph.

Tonight 22 Dec Southern Lander County and Southern Eureka County

Mostly cloudy. Lows in the upper 30s. South Winds 10 to 15 Mph with Gusts to around 30 Mph.

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Eureka Temperature Statistics

December Temperature

Eureka Airport ASOS (6.2 miles)

  • Lowest 1 December, 2025

    9 °F

  • Average December

    36.7 °F

  • Highest 19 December, 2025

    66 °F

Climate (2020–Present)

Eureka Airport ASOS (6.2 miles)

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  • Average Low 2020–2025

    32.1 °F

  • Average 2020–2025

    48.5 °F

  • Average High 2020–2025

    63.9 °F
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