Eureka Weather Forecast

    • 61
    • 82

    Increasing Clouds

    • 65
    • 76

    Rain Showers Likely

    • 68
    • 83

    Chance Thunderstorms

    • 67
    • 86

    Slight Chance Thunderstorms

    • 65
    • 85

    Chance Rain Showers

    • 64
    • 84

    Slight Chance Thunderstorms

Today 28 Aug Winnebago

Mostly sunny in the morning then becoming partly cloudy. Highs around 80. Light and variable wind.

Tonight 28 Aug Winnebago

Mostly clear. Lows in the upper 50s. Southeast wind 5 to 10 Mph.

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Eureka Temperature Statistics

August Temperature

Wittman Regional Airport (14.3 miles)

  • Lowest 24 August, 2026

    49.6 °F

  • Average August

    70.5 °F

  • Highest 4 August, 2026

    83.6 °F

Climate (2021–2026)

Wittman Regional Airport (14.3 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    57.3 °F
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