Eureka Weather Forecast

    • 63
    • 81

    Increasing Clouds

    • 67
    • 79

    Chance Rain Showers

    • 59
    • 82

    Partly Sunny

    • 59
    • 79

    Partly Sunny

    • 63
    • 79

    Mostly Cloudy

    • 58
    • 78

    Chance Thunderstorms

Today 14 Aug Winnebago

Partly cloudy. Highs around 80. East wind 10 to 15 Mph.

Tonight 14 Aug Winnebago

Muggy. Partly cloudy. Patchy fog. Nearly steady temperature in the upper 60s. Northeast wind 5 to 10 Mph.

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Eureka Temperature Statistics

August Temperature

Wittman Regional Airport (14.3 miles)

  • Lowest 3 August, 2026

    56.6 °F

  • Average August

    71.3 °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

    48.6 °F

  • Average High 2021–2026

    57.3 °F
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