Mercer Lake County Park Weather Forecast

    • 58
    • 69

    Rain

    • 54
    • 70

    Chance Rain

    • 53
    • 71

    Partly Sunny

    • 52
    • 69

    Partly Sunny

    • 53
    • 73

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

Today 15 Aug Central Oregon Coast Range Lowlands

Mostly cloudy. A slight chance of Showers this Morning, then a chance of rain this afternoon. Rain may be heavy at Times this afternoon. Highs in the upper 70s. Southwest wind 5 to 10 Mph. Chance of rain 50 percent. Rainfall Amounts a tenth to a quarter of an inch.

Tonight 15 Aug Central Oregon Coast Range Lowlands

Rain. Lows in the upper 50s. Winds light. Chance of rain near 100 percent. Rainfall Amounts a quarter of an inch to one inch.

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Mercer Lake County Park Temperature Statistics

August Temperature

Newport, Newport Municipal Airport (36 miles)

  • Lowest 4 August, 2025

    44.6 °F

  • Average August

    58 °F

  • Highest 10 August, 2025

    69.8 °F

Climate (2020–Present)

Newport, Newport Municipal Airport (36 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    50.1 °F

  • Average High 2020–2025

    56.5 °F
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