Eureka Weather Forecast

    • 73
    • 89

    Chance Thunderstorms

    • 73
    • 88

    Thunderstorms Likely

    • 73
    • 88

    Thunderstorms Likely

    • 70
    • 88

    Slight Chance Thunderstorms

    • 73
    • 89

    Slight Chance Thunderstorms

    • 69
    • 89

    Partly Sunny

Today 16 Jul Spencer

Mostly sunny. Patchy fog in the morning. A chance of Showers and Thunderstorms in the afternoon. Humid with Highs around 90. Calm Winds, becoming south around 5 Mph in the afternoon. Chance of rain 50 percent.

Tonight 16 Jul Spencer

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Patchy fog after midnight. Humid with Lows in the lower 70s. Southwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 50 percent.

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Eureka Temperature Statistics

July Temperature

Owensboro, Owensboro-Daviess County Airport (9.9 miles)

  • Lowest 4 July, 2026

    69.1 °F

  • Average July

    79.3 °F

  • Highest 3 July, 2026

    95 °F

Climate (2021–2026)

Owensboro, Owensboro-Daviess County Airport (9.9 miles)

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  • Average Low 2021–2026

    49.7 °F

  • Average 2021–2026

    59 °F

  • Average High 2021–2026

    68.5 °F
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