Eureka Weather Forecast

    • 14
    • 35

    Snow Likely

    • 5
    • 24

    Snow Likely

    • -4
    • 16

    Chance Snow

    • -4
    • 3

    Cold

    • 4
    • 12

    Slight Chance Snow

    • 4
    • 20

    Partly Sunny

    • 3
    • 14

    Mostly Cloudy

Today 16 Jan Winnebago

Mostly cloudy with a chance of light snow. Temperatures in the lower to mid 30s. West wind 10 to 15 Mph.

Tonight 16 Jan Winnebago

Cloudy with a chance of light snow. Lows in the middle teens. West wind 10 to 15 Mph. Chance of snow 50 percent.

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Eureka Temperature Statistics

January Temperature

Wittman Regional Airport (14.3 miles)

  • Lowest 1 January, 2026

    3.9 °F

  • Average January

    26.4 °F

  • Highest 13 January, 2026

    50 °F

Climate (2021–Present)

Wittman Regional Airport (14.3 miles)

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  • Average Low 2021–2026

    39.8 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    57.2 °F
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