Mercer Lake Weather Forecast

    • 49
    • 66

    Increasing Clouds

    • 47
    • 65

    Partly Sunny

    • 50
    • 70

    Mostly Sunny

    • 48
    • 68

    Partly Sunny

    • 47
    • 67

    Partly Sunny

    • 48
    • 66

    Chance Rain

Today 19 May Central Oregon Coast Range Lowlands

Mostly sunny. Highs in the lower 70s. North wind 5 to 10 Mph.

Tonight 19 May Central Oregon Coast Range Lowlands

Mostly cloudy in the Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s. Northwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mercer Lake Temperature Statistics

May Temperature

Newport, Newport Municipal Airport (36 miles)

  • Lowest 7 May, 2026

    41 °F

  • Average May

    52.4 °F

  • Highest 9 May, 2026

    62.6 °F

Climate (2021–Present)

Newport, Newport Municipal Airport (36 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    50.4 °F

  • Average High 2021–2026

    56.7 °F
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