Eureka Weather Forecast

    • 46
    • 69

    Decreasing Clouds

    • 46
    • 69

    Partly Sunny

    • 50
    • 68

    Mostly Cloudy

    • 51
    • 70

    Partly Sunny

    • 56
    • 69

    Rain Showers Likely

    • 53
    • 68

    Chance Rain Showers

Today 25 Sep Winnebago

Partly cloudy in the morning then clearing. Highs in the upper 60s. Light and variable wind becoming southeast 5 to 10 Mph in the afternoon.

Tonight 25 Sep Winnebago

Clear. Lows in the upper 40s. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Eureka Temperature Statistics

September Temperature

Wittman Regional Airport (14.3 miles)

  • Lowest 14 September, 2026

    47.6 °F

  • Average September

    66.2 °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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