Eureka Weather Forecast

    • -2
    • 15

    Increasing Clouds

    • 6
    • 13

    Partly Sunny

    • 3
    • 22

    Mostly Sunny

    • 15
    • 24

    Mostly Cloudy

    • 8
    • 26

    Mostly Cloudy

    • 12
    • 23

    Mostly Cloudy

    • 13
    • 25

    Slight Chance Snow

Today 29 Jan Winnebago

Mostly cloudy. Temperatures 11 to 13. Northwest wind 5 to 10 Mph.

Tonight 29 Jan Winnebago

Mostly cloudy. A chance of Flurries in the evening. Lows around zero. North wind 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Eureka Temperature Statistics

January Temperature

Wittman Regional Airport (14.3 miles)

  • Lowest 23 January, 2026

    -18.3 °F

  • Average January

    17.1 °F

  • Highest 13 January, 2026

    50.6 °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

    39.7 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    57.1 °F
Get WillyWeather+ to remove ads