Eureka Weather Forecast

    • 67
    • 82

    Rain Showers Likely

    • 68
    • 83

    Rain Showers

    • 61
    • 83

    Chance Thunderstorms

    • 66
    • 83

    Chance Rain Showers

    • 70
    • 87

    Rain Showers Likely

    • 63
    • 84

    Chance Rain Showers

Today 12 Aug Pleasants

Mostly cloudy in the Morning, then becoming partly sunny. Patchy fog in the morning. A chance of Showers. A chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the afternoon. Humid with Highs in the lower 80s. West Winds around 5 Mph. Chance of rain 50 percent.

Tonight 12 Aug Pleasants

Mostly cloudy. Patchy fog. Near steady temperature in the upper 60s. Southwest Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Eureka Temperature Statistics

August Temperature

Parkersburg, Mid-Ohio Valley Regional Airport (8.1 miles)

  • Lowest 4 August, 2026

    59.6 °F

  • Average August

    75.9 °F

  • Highest 5 August, 2026

    88.6 °F

Climate (2021–2026)

Parkersburg, Mid-Ohio Valley Regional Airport (8.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    66.5 °F
Get WillyWeather+ to remove ads