Eureka Weather Forecast

    • 27
    • 41

    Chance Rain/Snow

    • 19
    • 33

    Chance Snow

    • 22
    • 28

    Partly Sunny

    • 29
    • 37

    Partly Sunny

Today 9 Jan Winnebago

Partly cloudy. Highs in the lower 40s. West wind 5 to 10 Mph.

Tonight 9 Jan Winnebago

Mostly cloudy. A slight chance of light snow after midnight. Lows in the upper 20s. Light and variable wind. Chance of snow 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Eureka Temperature Statistics

January Temperature

Wittman Regional Airport (14.3 miles)

  • Lowest 1 January, 2026

    3.9 °F

  • Average January

    21.4 °F

  • Highest 7 January, 2026

    35.1 °F

Climate (2021–Present)

Wittman Regional Airport (14.3 miles)

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

  • Average Low 2021–2026

    39.8 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    57.2 °F
Get WillyWeather+ to remove ads