Eureka Weather Forecast

    • 54
    • 69

    Decreasing Clouds

    • 57
    • 79

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 52
    • 77

    Chance Rain Showers

    • 44
    • 64

    Partly Sunny

    • 47
    • 63

    Rain Showers Likely

Today 9 Oct Winnebago

Mostly sunny. Highs in the upper 60s. Light and variable wind becoming southeast 5 to 10 Mph in the afternoon.

Tonight 9 Oct Winnebago

Partly cloudy. Lows in the middle 50s. Southeast wind 10 to 15 Mph.

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Eureka Temperature Statistics

October Temperature

Wittman Regional Airport (14.3 miles)

  • Lowest 2 October, 2026

    41.6 °F

  • Average October

    57.4 °F

  • Highest 6 October, 2026

    72 °F

Climate (2021–2026)

Wittman Regional Airport (14.3 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    57.3 °F
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