Eureka Weather Forecast

    • 62
    • 78

    Increasing Clouds

    • 51
    • 80

    Partly Sunny

    • 49
    • 68

    Partly Sunny

    • 58
    • 72

    Rain Showers

    • 51
    • 71

    Slight Chance Rain Showers

    • 53
    • 69

    Mostly Cloudy

Today 11 Sep Winnebago

Sunny. Highs in the upper 70s. South wind 10 to 15 Mph.

Tonight 11 Sep Winnebago

Partly cloudy. Lows in the middle 60s. South wind 10 to 15 Mph.

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  • Temperature Real-Time

Eureka Temperature Statistics

September Temperature

Wittman Regional Airport (14.3 miles)

  • Lowest 7 September, 2026

    55.7 °F

  • Average September

    72.6 °F

  • Highest 1 September, 2026

    91.7 °F

Climate (2021–2026)

Wittman Regional Airport (14.3 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    57.3 °F
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