Mercer Lake Weather Forecast

    • 41
    • 52

    Rain Showers

    • 38
    • 52

    Chance Rain

    • 41
    • 52

    Rain

    • 42
    • 51

    Rain

    • 41
    • 53

    Rain

    • 42
    • 55

    Mostly Cloudy

    • 44
    • 57

    Slight Chance Rain

Today 4 Jan Central Oregon Coast Range Lowlands

A chance of rain this Morning, then rain with a slight chance of Thunderstorms this afternoon. Highs in the upper 40s. South wind 10 to 15 Mph. Chance of rain near 100 percent. Rainfall Amounts a quarter to a half of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 4 Jan Central Oregon Coast Range Lowlands

Mostly cloudy. Rain Showers likely with a slight chance of Thunderstorms this Evening, then a chance of rain Showers after midnight. Patchy fog after midnight. Lows in the upper 30s. Winds light. Chance of rain 70 percent. Rainfall Amounts a tenth to a quarter of an Inch, except higher Amounts possible in Thunderstorms.

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Mercer Lake Temperature Statistics

January Temperature

Newport, Newport Municipal Airport (36 miles)

  • Lowest 1 January, 2026

    41 °F

  • Average January

    49 °F

  • Highest 1 January, 2026

    53.6 °F

Climate (2021–Present)

Newport, Newport Municipal Airport (36 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    50.2 °F

  • Average High 2021–2026

    56.5 °F
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