Eureka Weather Forecast

    • 72
    • 90

    Slight Chance Thunderstorms

    • 61
    • 85

    Smoke

    • 65
    • 84

    Partly Sunny

    • 65
    • 86

    Chance Thunderstorms

    • 57
    • 80

    Slight Chance Rain Showers

    • 57
    • 78

    Mostly Sunny

Today 17 Jul Winnebago

Very warm and humid. Partly sunny with a chance of Showers and a slight chance of Thunderstorms. Smoke in the morning. Areas of smoke in the afternoon. Highs in the upper 80s. Light and variable wind becoming southwest 5 to 10 Mph in the afternoon. Chance of rain 30 percent. Heat indices to 99.

Tonight 17 Jul Winnebago

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Smoke. Lows in the upper 60s. Southeast wind 5 to 10 Mph. Chance of rain 30 percent.

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Eureka Temperature Statistics

July Temperature

Wittman Regional Airport (14.3 miles)

  • Lowest 6 July, 2026

    60.7 °F

  • Average July

    75.2 °F

  • Highest 14 July, 2026

    93 °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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