Eureka Weather Forecast

    • 63
    • 80

    Rain Showers

    • 59
    • 76

    Rain Showers Likely

    • 54
    • 78

    Mostly Sunny

    • 60
    • 81

    Mostly Sunny

    • 64
    • 85

    Partly Sunny

    • 60
    • 82

    Chance Rain Showers

Today 31 Jul Winnebago

Not as warm. Mostly cloudy. A chance of Showers in the afternoon. Highs in the upper 70s. Light and variable wind becoming southeast 5 to 10 Mph in the afternoon. Chance of rain 50 percent.

Tonight 31 Jul Winnebago

Mostly cloudy. Lows in the middle 60s. Southwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Eureka Temperature Statistics

July Temperature

Wittman Regional Airport (14.3 miles)

  • Lowest 22 July, 2026

    53.7 °F

  • Average July

    74.4 °F

  • Highest 14 July, 2026

    94.6 °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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