Eureka Weather Forecast

    • 51
    • 70

    Increasing Clouds

    • 54
    • 70

    Mostly Cloudy

    • 47
    • 67

    Mostly Cloudy

    • 42
    • 56

    Mostly Cloudy

    • 45
    • 57

    Mostly Cloudy

    • 47
    • 65

    Chance Rain Showers

Today 23 Oct Winnebago

Partly cloudy in the morning then clearing. Highs in the upper 60s. South wind 5 to 10 Mph.

Tonight 23 Oct Winnebago

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. Southeast wind 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Eureka Temperature Statistics

October Temperature

Wittman Regional Airport (14.3 miles)

  • Lowest 17 October, 2026

    34.6 °F

  • Average October

    57.2 °F

  • Highest 12 October, 2026

    84.7 °F

Climate (2021–2026)

Wittman Regional Airport (14.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    57.3 °F
Get WillyWeather+ to remove ads