Eureka Weather Forecast

    • 50
    • 78

    Becoming Sunny

    • 58
    • 78

    Mostly Sunny

    • 60
    • 82

    Partly Sunny

    • 57
    • 79

    Slight Chance Thunderstorms

    • 65
    • 79

    Chance Rain Showers

    • 53
    • 75

    Slight Chance Thunderstorms

Today 10 Sep Clinton

Mostly cloudy. Highs in the upper 70s. Light Winds becoming northwest 5 to 10 Mph in the afternoon.

Tonight 10 Sep Clinton

Mostly clear. Lows around 50. Light Winds.

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  • Temperature Real-Time

Eureka Temperature Statistics

September Temperature

Alma, Gratiot Community Airport (17.4 miles)

  • Lowest 7 September, 2026

    50 °F

  • Average September

    70.4 °F

  • Highest 1 September, 2026

    89.6 °F

Climate (2021–2026)

Alma, Gratiot Community Airport (17.4 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    49.1 °F

  • Average High 2021–2026

    58.6 °F
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